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3905958
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Patent number 3,905,958
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Issue date Sep 16, 1975
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3844781
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Patent number 3,844,781
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Issue date Oct 29, 1974
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G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
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3634336
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Patent number 3,634,336
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Issue date Jan 11, 1972
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G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
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3629158
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Patent number 3,629,158
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Issue date Dec 21, 1971
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G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
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3627525
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Patent number 3,627,525
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Issue date Dec 14, 1971
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G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
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3545969
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Patent number 3,545,969
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Issue date Dec 8, 1970
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G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
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3512966
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Patent number 3,512,966
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Issue date May 19, 1970
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G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
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3309990
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Patent number 3,309,990
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B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
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3230081
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Patent number 3,230,081
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Issue date Jan 18, 1966
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G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY