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3822612
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Patent number 3,822,612
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Issue date Jul 9, 1974
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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3762524
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Patent number 3,762,524
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Issue date Oct 2, 1973
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E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
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3707889
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Patent number 3,707,889
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Issue date Jan 2, 1973
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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3321992
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Patent number 3,321,992
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Issue date May 30, 1967
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G04 - HOROLOGY
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3306133
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Patent number 3,306,133
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Issue date Feb 28, 1967
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B60 - VEHICLES IN GENERAL
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3296883
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Patent number 3,296,883
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Issue date Jan 10, 1967
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G05 - CONTROLLING REGULATING
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3266233
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Patent number 3,266,233
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Issue date Aug 16, 1966
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F03 - MACHINES OR ENGINES FOR LIQUIDS WIND, SPRING WEIGHT AND MISCELLANEOUS M...
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3258985
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Patent number 3,258,985
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Issue date Jul 5, 1966
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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3220274
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Patent number 3,220,274
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Issue date Nov 30, 1965
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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3211017
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Patent number 3,211,017
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Issue date Oct 12, 1965
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B61 - RAILWAYS
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3192787
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Patent number 3,192,787
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Issue date Jul 6, 1965
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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3190139
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Patent number 3,190,139
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Issue date Jun 22, 1965
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G05 - CONTROLLING REGULATING
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3176531
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Patent number 3,176,531
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Issue date Apr 6, 1965
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...