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Philip D. Chapnik
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Newton, MA, US
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last 30 patents
Information
Patent Grant
Electronic camera employing reflective flat panel display for viewi...
Patent number
6,999,114
Issue date
Feb 14, 2006
Polaroid Corporation
Philip D Chapnik
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
System for printing with programmable spatial light modulator and m...
Patent number
6,456,421
Issue date
Sep 24, 2002
Polaroid Corporation
Philip D. Chapnik
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Optical system for use in a photographic printer
Patent number
6,400,442
Issue date
Jun 4, 2002
Polaroid Corporation
Bruce K. Johnson
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Grant
Optical system for transmitting a graphical image
Patent number
6,014,202
Issue date
Jan 11, 2000
Polaroid Corporation
Philip D. Chapnik
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Grant
Light-emitting diode having uniform irradiance distribution
Patent number
5,990,498
Issue date
Nov 23, 1999
Polaroid Corporation
Philip D. Chapnik
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Apparatus for reducing linear artifacts in an optically-printed image
Patent number
5,982,529
Issue date
Nov 9, 1999
Polaroid Corporation
Philip D. Chapnik
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Grant
Optical system for use in a photographic printer
Patent number
5,864,390
Issue date
Jan 26, 1999
Polaroid Corporation
Bruce K. Johnson
G02 - OPTICS
Information
Patent Grant
Spatially multiplexed image display system
Patent number
5,579,164
Issue date
Nov 26, 1996
Pharos Technology Corporation
Philip Chapnik
G02 - OPTICS