US Patents:

Dr. William T. Plummer

 

  1. #3,704,617; December 5, 1972; "Method and Apparatus for Fabricating Imaging Means"

  2. #3,709,131; January 9, 1973; "Method and Apparatus for Aligning a Viewing System"

  3. #3,718,078; February 27, 1973; "Smoothly Granulated Optical Surface and Method for Making Same"

  4. #3,735,685; May 29, 1973; "Reflective Imaging Apparatus"

  5. #3,744,391; July 10, 1973; "Camera with a Stigmatic Fresnel Optical Element"

  6. #3,754,458; August 28, 1973; "Light Seal for a Reflex Camera Viewfinder"

  7. #3,761,179; September 25, 1973; "Mirror Testing Apparatus"

  8. #3,797,922; March 19, 1974; "Azygous Ophthalmic Lens and Spectacles for Correcting Presbyopia"

  9. #3,810,221; May 7, 1974; "Viewfinder for a Reflex Camera"

  10. #3,821,767; June 28, 1974; "Light Seal for a Reflex Camera Viewfinder"

  11. #3,836,931; September 17, 1974; "Eye Lens in a Single Lens Reflex Camera Viewfinder Providing Field Tilt Compensation"

  12. #3,848,980; November 19, 1974; "Projector Apparatus and System Employing Unique Screen"

  13. #3,872,749; March 25, 1975; "Ruling Engine for Generating Dies to Mold Anamorphic Fresnel Optics"

  14. #3,877,044; April 8, 1975; "Reflex Camera Viewing System with Stigmatic Exit Pupil"

  15. #3,900,858; August 19, 1975; (with Mary Conlin McCann and Vivian K. Walworth) "Camera to Microscope Adapter with a Special Optical Element"

  16. #3,902,792; September 2, 1975; "Landscape Lens"

  17. #3,904,294; September 9, 1975; (with Nathan Gold) "Automatic Lens Testing Apparatus"

  18. #3,971,052; July 20, 1976; "Compact Galilean Viewfinder"

  19. #3,976,368; August 24, 1976; (with Mary Conlin McCann and Vivian K. Walworth) "Special Optical Element for Camera to Microscope Adapter"

  20. #4,006,971; February 8,1977; "Reflective Imaging Apparatus"

  21. #4,018,514; April 19, 1977; "Apparatus for Retinal Photography"

  22. #4,021,825; May 3, 1977; (with John J. McCann, Mary C. McCann, Myron A. Seiden, and Vivian K. Walworth) "Adapter for Operatively Coupling an Automated Camera to an Optical Instrument"

  23. #4,102,581; July 25, 1978; "Unicell Photoelectric Photometer"

  24. #4,105,300; August 8, 1978; "Defocused Unicell Photometer with Aspheric Zone"

  25. #4,105,308; August 8, 1978; (with R. Calvin Owen, Jr.) "Aspheric Plastic Triplet"

  26. #4,111,561; September 5, 1978; "Defocused Unicell Photometer with Diffusion Zone"

  27. #4,130,357; December 19, 1978; (with Irving Erlichman) "Flexible Shutter for Photographic Camera"

  28. #4,147,408; April 3, 1979; "Back Projection Viewing Screen"

  29. #4,157,216; June 5, 1979; "Adapter for Optically Coupling a Photographic Camera with a Viewing Device"

  30. #4,162,833; July 31, 1979; "Photographic Camera"

  31. #4,193,675; March 18, 1980; "Photographic Camera"

  32. #4,204,269; May 20, 1980; "Optical Element for Redistributing the Light Output of a Photoflash Lamp Assembly or the Like"

  33. #4,208,112; June 17, 1980; "Photographic Camera Accessory"

  34. #4,226,515; October 7, 1980; "Photographic Camera"

  35. #4,251,146; February 17, 1981; "Photographic Apparatus for Providing a Signal Visible in a Camera Viewfinder"

  36. #4,264,167; April 28, 1981; "Adapter for Coupling a Camera with a Viewing Device"

  37. #4,272,186; June 9, 1981; "Camera Method and Apparatus for Recording with Selected Contrast"

  38. #4,282,548; August 4, 1981; "Method and Apparatus for Measuring and/or Setting Lens Focal Distance"

  39. #4,293,892; October 6, 1981; "Zoom Light Apparatus"

  40. #4,299,468; November 10, 1981; (with Monis J. Manning) "Photoelectric Radiometer for Photographic Apparatus"

  41. #4,356,538; October 26, 1982; "Photographic Lighting Apparatus"

  42. #4,416,514; November 22, 1983; "Color Filter"

  43. #4,443,067; April 17, 1984; (with R. Calvin Owen, Jr.) "Zone Focusing Optical System"

  44. #4,457,618; July 3, 1984; "Optical System for Use in Electronic Enlarger"

  45. #4,499,164; February 12, 1985; "Image Carrying Media Employing an Optical Barrier"

  46. #4,498,748; February 12, 1985; (with Peter W. J. Jones and Dennis W. Purcell) "Camera for Photographing Scale Models"

  47. #4,531,702; July 30, 1985; "Injection Mold for Forming Optical Fiber Connector"

  48. #4,549,891; October 29, 1985; "Method for Forming a Non-symmetrical Optical Fiber"

  49. #4,561,753; December 31, 1985; (with Philip G. Baker) "Selective Photoresponsive Sensing Circuit"

  50. #4,589,745; May 20, 1986; "Geometric LED Layout for Line Exposure"

  51. #4,610,536; September 9, 1986; (with William K. Smyth and Richard J. Chen) "Laser Scanning and Printing Apparatus"

  52. #4,647,975; March 3, 1987; (with Lawrence E. Alston and Donald S. Levinstone) "Exposure Control System for an Electronic Imaging Camera Having Increased Dynamic Range"

  53. #4,650,292; March 17, 1987; (with James G. Baker) "Analytic Function Optical Component"

  54. #4,649,324; March 10, 1987; (with John M. Guerra) "Method and Apparatus for Adjusting CRT Geometry"

  55. #4,675,531; June 23, 1987; (with Peter P. Clark) "Optical Scanner Having a Multi-Surfaced Lens Arrangement for Producing a Rotationally Symmetric Beam"

  56. #4,687,926; August 18, 1987; "Spectrally Filtered Lens Producing Plural f-Numbers with Different Spectral Characteristics"

  57. #4,701,045; October 20, 1987; "Method and Apparatus for Reducing Optical Artifacts"

  58. #4,681,427; July 21, 1987; "Electronic Printing Method"

  59. #4,681,451; July 21, 1987; (with John M. Guerra) "Optical Proximity Imaging Method and Apparatus"

  60. #4,689,184; August 25, 1987; "Method for Forming an Optical Connector"

  61. #4,689,005; August 25, 1987; "Molding Apparatus"

  62. #4,707,063; November 17, 1987; "Widely Spaced Fiber Optic Connector and Multiplexer / Demultiplexer Using Same"

  63. #4,689,696; August 25, 1987; "Hybrid Image Recording and Reproduction System"

  64. #4,759,596; July 26, 1988; (with Hong Po) "Wavelength Selective Optical Cavity Including Holographic Filter Layers"

  65. #4,786,964; November 22, 1988; (with Hugh R. MacKenzie) "Electronic Color Imaging Apparatus with Prismatic Color Filter Periodically Interposed in Front of an Array of Primary Color Filters"

  66. #4,806,034; February 21, 1989; "Write Head Controller with Grid Synchronization"

  67. #4,814,118; March 21, 1989; (with Robert J. Boyea) "Method of Fabrication of Components for Connecting Optical Fibers"

  68. #4,816,939; March 28, 1989; (with Vernon E. Ford, Jeremy K. Jones, and John J. Mader) "Magnetic Recording Media and Servo System Using Light-Transmitting Optical Gratings"

  69. #4,843,481; June 27, 1989; "CCD Scanning Apparatus for Use with Rotary Head Printer"

  70. #4,882,594; November 21, 1989; "Method for Making a Smooth, Uniform Image of a Laser Diode Array"

  71. #4,925,267; May 15, 1990; (with Robert J. Boyea) "Structure and Fabrication of Components for Connecting Optical Fibers"

  72. #5,028,110; July 2, 1991; "Fiber Optic Component"

  73. #4,971,869; November 20, 1990; "Color Encoding Photographic Film"

  74. #4,989,959; February 5, 1991; "Anti-Aliasing Optical System with Pyramidal Transparent Structure"

  75. #4,992,824; February 12, 1991; "Apparatus and Method Utilizing an L.C.D. for Printing"

  76. #5,176,972; January 5, 1993; (with Iris B. K. Bloom and Richard A. Minns) "Imaging Medium with Low Refractive Index Layer"

  77. #5,260,828; November 9, 1993; (with Carmiña Londoño) "Methods and Means for Reducing Temperature-Induced Variations in Lenses and Lens Devices"

  78. #5,327,291; July 5, 1994; (with James G. Baker and Jon Van Tassell) "Compact Objective Lens"

  79. #5,408,447; April 18, 1995; (with F. Richard Cottrell, A. K. Juenger, H. R. MacKenzie, and W. J. McCune) "Method and Apparatus for Scanning of Image in Integral Film Structure"

  80. #5,449,586; September 12, 1995; (with F. Richard Cottrell, A. K. Juenger, H. R. MacKenzie, and W. J. McCune) "A Diffusion Transfer Integral Film Unit"

  81. #5,652,612; July 29, 1997; (with Carl A. Chiulli and Yalan Mao) "Apparatus and Method for Enhancing Printing Efficiency to Reduce Artifacts"

  82. #5,900,902; May 4, 1999; (with Carl A. Chiulli and Yalan Mao) "Apparatus and Method for Enhancing Printing Efficiency to Reduce Artifacts"

  83. #5,933,278; August 3, 1999; (with Douglas S. Goodman and Jeffrey W. Roblee) "Monolithic Multi-faceted Mirror for Combining Multiple Beams from Different Light Sources by Reflection"

  84. #6,011,577; January 4, 2000; (with Douglas S. Goodman and Jeffrey W. Roblee) "Modular Optical Print Head Assembly"

  85. #6,061,372; May 9, 2000; (with Marc Thompson and Douglas S. Goodman) "Two-Level Semiconductor Laser Driver"

  86. #6,066,857; May 23, 2000; (with Stephen D. Fantone, Luis A. Figarella, David A. Imrie, Harry McKinley, Howard Stern, and Jon E. Van Tassell) "Variable Focus Optical System"

  87. #6,097,552; August 1, 2000; (with Wayne L. Gordon and James J. Zambuto) "Autofocus Actuator Device"

  88. #6,101,333; August 8, 2000; (with Julian G. Bullitt, Jon Van Tassell, and George D. Whiteside) "Method and Apparatus for Acquiring Electronic and/or Photographic Images"

  89. #6,104,533; August 15, 2000; (with Peter P. Clark) "Viewfinder with Diffractive Optical Element"

  90. #6,122,115; September 19, 2000; (with Jeffrey W. Roblee and Douglas S. Goodman) "Method and Device for Mounting Optical Components"

  91. #6,221,554; April 24, 2001; (with Philip R. Norris, Harry R. Parsons, Donald W. Preissler, and Robert J. Wadja) "Self Developing Film Unit"

  92. #6,283,374; September 4, 2001; (with Stephen D. Fantone, David A. Imrie, Jon E. Van Tassell, Philip E. McKinley, Harry R. McKinley, Luis A. Figarella, Howard Stern, John H. Dowling, and Steve Meister) "Symbology Imaging and Reading Apparatus and Method"

  93. #6,595,427; July 22, 2003; (with Vivek K. Soni, J. Barry Mahoney, and Richard G. Egan) "Method and Apparatus for Encoding and Decoding Information in a Non-visible Manner"

  94. #6,643,390; November 4, 2003; (with Peter P. Clark and Douglas S. Goodman) "Compact Fingerprint Identification Device"

  95. #6,786,416; September 7, 2004; (with Vivek K. Soni, J. Barry Mahoney, and Richard G. Egan) "Method and Apparatus for Encoding and Decoding Information in a Non-visible Manner"

  96. #6,994,257; February 7, 2006; (with Vivek K. Soni, J. Barry Mahoney, and Richard G. Egan) "Method and Apparatus for Encoding and Decoding Information in a Non-visible Manner"

  97. #7,426,020; September 16, 2008; (with George W. McClurg and John F. Carver) "System for Print Imaging with Prism Illumination Optics"

  98. #7,591,557; September 22, 2009; "Solid State Method and Apparatus for Making Lenses and Lens Components"

  99. #7,926,942; April 19, 2011; "Solid State Lenses and Lens Components"

  100. #7,959,286; June 14, 2011; "Solid State Lenses and Lens Components"

  101. #9,008,137; April 14, 2015; (with Aland K. Chin, Richard H. Chin, and Jonah H. Jacob) "Method and Apparatus for Compact and Efficient Introduction of High Radiant Power into an Optical Fiber"

  102. #9,496,675; November 15, 2016; (with Aland K. Chin) "Method and Reflective Apparatus for Combining High-Power Laser Beams"

 

Other applications may be pending.