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Richard J. Coppa
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Westwood, MA, US
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last 30 patents
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Patent Grant
Method of and apparatus for altering sensitivity of photometer to d...
Patent number
4,486,087
Issue date
Dec 4, 1984
Polaroid Corporation
Peter P. Carcia
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Full range variable proportional fill flash system
Patent number
4,375,322
Issue date
Mar 1, 1983
Polaroid Corporation
Richard J. Coppa
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Variable proportional fill flash
Patent number
4,317,620
Issue date
Mar 2, 1982
Polaroid Corporation
Richard J. Coppa
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Exposure and flash fire control system
Patent number
4,299,461
Issue date
Nov 10, 1981
Polaroid Corporation
Richard J. Coppa
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Follow focus flash arrangement
Patent number
4,268,138
Issue date
May 19, 1981
Polaroid Corporation
Richard J. Coppa
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Exposure control system having dynamic aperture flash arrangement
Patent number
4,047,191
Issue date
Sep 6, 1977
Polaroid Corporation
Richard J. Coppa
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY