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3595146
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Patent number 3,595,146
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Issue date Jul 27, 1971
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G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
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3507358
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Patent number 3,507,358
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Issue date Apr 21, 1970
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G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
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3325241
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Patent number 3,325,241
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Issue date Jun 13, 1967
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G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
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2082074
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Patent number 2,082,074
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Issue date Jun 1, 1937
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G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY