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Michael Berger
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Chestnut Hill, MA, US
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last 30 patents
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Patent Grant
Photographic film assemblage
Patent number
4,767,691
Issue date
Aug 30, 1988
Polaroid Corporation
Michael Berger
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Diffusion transfer film system with protective layer of copper salt...
Patent number
4,386,151
Issue date
May 31, 1983
Polaroid Corporation
Michael Berger
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Diffusion transfer film unit with protective layer of water soluble...
Patent number
4,383,022
Issue date
May 10, 1983
Polaroid Corporation
Michael Berger
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Diffusion transfer film unit
Patent number
4,366,227
Issue date
Dec 28, 1982
Polaroid Corporation
Michael Berger
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Photographic processing composition containing polyol
Patent number
4,324,853
Issue date
Apr 13, 1982
Polaroid Corporation
Michael Berger
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY