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Tilting on-off switch
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Patent number 5,854,457
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Issue date Dec 29, 1998
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Kikuyoshi Nishikawa
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H01 - BASIC ELECTRIC ELEMENTS
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Buoyant alarm device
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Patent number 4,644,328
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Issue date Feb 17, 1987
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Remington Products, Inc.
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Edward Szymansky
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G08 - SIGNALLING
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Seismic alarm system
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Patent number 4,408,196
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Issue date Oct 4, 1983
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Albert J. Freeman
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G08 - SIGNALLING
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2001109
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Patent number 2,001,109
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Issue date May 14, 1935
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A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
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1997412
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Patent number 1,997,412
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Issue date Apr 9, 1935
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G05 - CONTROLLING REGULATING
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1990798
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Patent number 1,990,798
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Issue date Feb 12, 1935
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A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
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1932146
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Patent number 1,932,146
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Issue date Oct 24, 1933
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H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
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1905771
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Patent number 1,905,771
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Issue date Apr 25, 1933
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H01 - BASIC ELECTRIC ELEMENTS
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1900198
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Patent number 1,900,198
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Issue date Mar 7, 1933
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E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
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1829239
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Patent number 1,829,239
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Issue date Oct 27, 1931
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A63 - SPORTS GAMES AMUSEMENTS
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1824473
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Patent number 1,824,473
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Issue date Sep 22, 1931
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G08 - SIGNALLING
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1805147
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Patent number 1,805,147
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Issue date May 12, 1931
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H01 - BASIC ELECTRIC ELEMENTS
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1779988
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Patent number 1,779,988
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Issue date Oct 28, 1930
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B60 - VEHICLES IN GENERAL
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1779986
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Patent number 1,779,986
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Issue date Oct 28, 1930
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G08 - SIGNALLING
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1779987
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Patent number 1,779,987
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Issue date Oct 28, 1930
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B60 - VEHICLES IN GENERAL
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1773834
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Patent number 1,773,834
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A63 - SPORTS GAMES AMUSEMENTS
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1756108
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Patent number 1,756,108
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Issue date Apr 29, 1930
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B60 - VEHICLES IN GENERAL
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1754790
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Patent number 1,754,790
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Issue date Apr 15, 1930
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G05 - CONTROLLING REGULATING
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1753568
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Patent number 1,753,568
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Issue date Apr 8, 1930
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B61 - RAILWAYS
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1746171
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Patent number 1,746,171
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Issue date Feb 4, 1930
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G01 - MEASURING TESTING
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1743314
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Patent number 1,743,314
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Issue date Jan 14, 1930
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H01 - BASIC ELECTRIC ELEMENTS
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1651408
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Patent number 1,651,408
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Issue date Dec 6, 1927
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B60 - VEHICLES IN GENERAL
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1641278
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Patent number 1,641,278
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Issue date Sep 6, 1927
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G08 - SIGNALLING
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1627962
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Patent number 1,627,962
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Issue date May 10, 1927
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E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
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1568509
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Patent number 1,568,509
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Issue date Jan 5, 1926
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B60 - VEHICLES IN GENERAL
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1551091
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Patent number 1,551,091
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Issue date Aug 25, 1925
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H01 - BASIC ELECTRIC ELEMENTS
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1528423
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Patent number 1,528,423
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Issue date Mar 3, 1925
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B60 - VEHICLES IN GENERAL
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1506832
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Patent number 1,506,832
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Issue date Sep 2, 1924
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H03 - BASIC ELECTRONIC CIRCUITRY