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1850323
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Patent number 1,850,323
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Issue date Mar 22, 1932
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B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
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1401910
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Patent number 1,401,910
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Issue date Dec 27, 1921
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E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
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1366161
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Patent number 1,366,161
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Issue date Jan 18, 1921
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E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
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1318837
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Patent number 1,318,837
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Issue date Oct 14, 1919
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E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
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1301466
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Patent number 1,301,466
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Issue date Apr 22, 1919
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E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
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1135027
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Patent number 1,135,027
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Issue date Apr 13, 1915
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E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
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1036764
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Patent number 1,036,764
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Issue date Aug 27, 1912
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E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
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988663
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Patent number 988,663
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Issue date Apr 4, 1911
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E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
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510234
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Patent number 510,234
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E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
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408447
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Patent number 408,447
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Issue date Aug 6, 1889
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E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
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33931
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Patent number 33,931
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Issue date Dec 17, 1861
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E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES