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3856177
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Patent number 3,856,177
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Issue date Dec 24, 1974
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A62 - LIFE-SAVING FIRE-FIGHTING
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3654379
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Patent number 3,654,379
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Issue date Apr 4, 1972
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H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
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2776157
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Patent number 2,776,157
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Issue date Jan 1, 1957
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E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
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2746784
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Patent number 2,746,784
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Issue date May 22, 1956
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E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
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2690347
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Patent number 2,690,347
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Issue date Sep 28, 1954
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E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
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2636761
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Patent number 2,636,761
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Issue date Apr 28, 1953
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E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
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2613971
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Patent number 2,613,971
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Issue date Oct 14, 1952
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E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
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2598526
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Patent number 2,598,526
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Issue date May 27, 1952
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E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
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2595473
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Patent number 2,595,473
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Issue date May 6, 1952
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E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
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2554438
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Patent number 2,554,438
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Issue date May 22, 1951
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E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
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2368487
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Patent number 2,368,487
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Issue date Jan 30, 1945
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E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
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2171664
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Patent number 2,171,664
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Issue date Sep 5, 1939
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A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
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1926102
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Patent number 1,926,102
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Issue date Sep 12, 1933
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E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
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1903284
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Patent number 1,903,284
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Issue date Apr 4, 1933
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E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
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1618344
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Patent number 1,618,344
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Issue date Feb 22, 1927
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E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
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1544387
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Patent number 1,544,387
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Issue date Jun 30, 1925
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E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
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1493413
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Patent number 1,493,413
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Issue date May 6, 1924
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H01 - BASIC ELECTRIC ELEMENTS
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1446164
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Patent number 1,446,164
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Issue date Feb 20, 1923
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B60 - VEHICLES IN GENERAL
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1249472
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Patent number 1,249,472
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Issue date Dec 11, 1917
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E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
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1241613
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Patent number 1,241,613
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Issue date Oct 2, 1917
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E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
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1190230
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Patent number 1,190,230
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Issue date Jul 4, 1916
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E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
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1182269
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Patent number 1,182,269
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B60 - VEHICLES IN GENERAL
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1036325
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Patent number 1,036,325
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Issue date Aug 20, 1912
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E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
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975037
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Patent number 975,037
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E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
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854988
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Patent number 854,988
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E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
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797425
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Patent number 797,425
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E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
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271271
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Patent number 271,271
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Issue date Jan 30, 1883
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E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
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92130
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Patent number 92,130
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Issue date Jun 29, 1869
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E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES