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1230201
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Patent number 1,230,201
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Issue date Jun 19, 1917
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G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
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1215770
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Patent number 1,215,770
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Issue date Feb 13, 1917
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G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
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1198119
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Patent number 1,198,119
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Issue date Sep 12, 1916
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G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
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1148240
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Patent number 1,148,240
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Issue date Jul 27, 1915
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H01 - BASIC ELECTRIC ELEMENTS
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918884
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Patent number 918,884
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Issue date Apr 20, 1909
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G11 - INFORMATION STORAGE
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819195
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Patent number 819,195
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Issue date May 1, 1906
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B66 - HOISTING LIFTING HAULING
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605478
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Patent number 605,478
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Issue date Jun 14, 1898
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B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
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567262
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Patent number 567,262
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Issue date Sep 8, 1896
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B27 - WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL NAILING OR STAPLING MACH...
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535224
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Patent number 535,224
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Issue date Mar 5, 1895
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G01 - MEASURING TESTING