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3580720
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Patent number 3,580,720
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Issue date May 25, 1971
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G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
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3533800
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Patent number 3,533,800
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Issue date Oct 13, 1970
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G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
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3507660
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Patent number 3,507,660
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Issue date Apr 21, 1970
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G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
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3062652
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Patent number 3,062,652
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Issue date Nov 6, 1962
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G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
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3058827
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Patent number 3,058,827
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Issue date Oct 16, 1962
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C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
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3057723
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Patent number 3,057,723
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Issue date Oct 9, 1962
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C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
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3034894
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Patent number 3,034,894
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Issue date May 15, 1962
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G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY