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John W. Stempeck
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Belmont, MA, US
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last 30 patents
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Patent Grant
Auto/manual camera employing common lens focusing data
Patent number
4,374,613
Issue date
Feb 22, 1983
Polaroid Corporation
John W. Stempeck
G02 - OPTICS
Information
Patent Grant
Photographic system for automatically charging electronic flash
Patent number
4,348,087
Issue date
Sep 7, 1982
Polaroid Corporation
Seymour Ellin
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
Patent number
3,945,025
Issue date
Mar 16, 1976
Polaroid Corporation
John W. Stempeck
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY