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Seymour Ellin
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Chestnut Hill, MA, US
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last 30 patents
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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
Extended range exposure control system
Patent number
4,045,806
Issue date
Aug 30, 1977
Polaroid Corporation
Seymour Ellin
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Flash photographic system with camera inhibit feature
Patent number
4,005,449
Issue date
Jan 25, 1977
Polaroid Corporation
Seymour Ellin
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Photographic control system with evaluation control
Patent number
4,001,843
Issue date
Jan 4, 1977
Polaroid Corporation
Seymour Ellin
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Photographic remote slave flash apparatus
Patent number
3,942,076
Issue date
Mar 2, 1976
Polaroid Corporation
Seymour Ellin
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Flash lamp signaling circuit employing logic signal activation
Patent number
3,935,514
Issue date
Jan 27, 1976
Polaroid Corporation
Seymour Ellin
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY