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2660526
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Patent number 2,660,526
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Issue date Nov 24, 1953
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G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
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2602741
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Patent number 2,602,741
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Issue date Jul 8, 1952
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G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
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Patent number 2,295,632
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Issue date Sep 15, 1942
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G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
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2245628
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Patent number 2,245,628
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Issue date Jun 17, 1941
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G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY