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Photographic film assemblage
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Patent number 4,767,691
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Issue date Aug 30, 1988
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Polaroid Corporation
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Michael Berger
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G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
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Film processing kit
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Patent number 4,721,974
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Issue date Jan 26, 1988
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Polaroid Corporation
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Frank M. Czumak
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G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
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Photographic film frame ejector
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Patent number 4,630,914
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Issue date Dec 23, 1986
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Polaroid Corporation
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Frank M. Czumak
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G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
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Camera back
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Patent number 4,568,163
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Issue date Feb 4, 1986
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Polaroid Corporation
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Frank M. Czumak
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G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
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Mount for transparency film frame
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Patent number 4,566,770
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Issue date Jan 28, 1986
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Polaroid Corporation
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Frank M. Czumak
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G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
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Film processing kit
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Patent number 4,371,249
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Issue date Feb 1, 1983
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Polaroid Corporation
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Frank M. Czumak
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G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
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