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Double ended key ring
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Patent number 4,821,543
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Issue date Apr 18, 1989
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G. Pruefer Mfg. Co.
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Robert Scungio
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A44 - HABERDASHERY JEWELLERY
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Link for jewellery
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Patent number 4,382,319
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Issue date May 10, 1983
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Luis Mones Mendoza
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A44 - HABERDASHERY JEWELLERY
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Slide clasp
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Patent number 3,988,813
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Issue date Nov 2, 1976
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KMC, Inc.
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Joseph J. Korcey
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A44 - HABERDASHERY JEWELLERY
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3365760
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Patent number 3,365,760
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Issue date Jan 30, 1968
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A44 - HABERDASHERY JEWELLERY
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2923045
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Patent number 2,923,045
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Issue date Feb 2, 1960
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B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT
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2366549
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Patent number 2,366,549
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Issue date Jan 2, 1945
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A41 - WEARING APPAREL
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2142287
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Patent number 2,142,287
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Issue date Jan 3, 1939
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A44 - HABERDASHERY JEWELLERY
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2089352
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Patent number 2,089,352
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Issue date Aug 10, 1937
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B60 - VEHICLES IN GENERAL
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1966665
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Patent number 1,966,665
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Issue date Jul 17, 1934
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F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
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1925816
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Patent number 1,925,816
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Issue date Sep 5, 1933
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A44 - HABERDASHERY JEWELLERY
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1909896
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Patent number 1,909,896
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Issue date May 16, 1933
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B60 - VEHICLES IN GENERAL
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1887430
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Patent number 1,887,430
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Issue date Nov 8, 1932
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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1852689
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Patent number 1,852,689
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Issue date Apr 5, 1932
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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1814356
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Patent number 1,814,356
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Issue date Jul 14, 1931
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E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
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1806064
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Patent number 1,806,064
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Issue date May 19, 1931
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B60 - VEHICLES IN GENERAL
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1800147
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Patent number 1,800,147
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Issue date Apr 7, 1931
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B60 - VEHICLES IN GENERAL
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1749096
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Patent number 1,749,096
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Issue date Mar 4, 1930
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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1723416
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Patent number 1,723,416
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Issue date Aug 6, 1929
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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1709235
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Patent number 1,709,235
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Issue date Apr 16, 1929
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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1680981
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Patent number 1,680,981
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Issue date Aug 14, 1928
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B60 - VEHICLES IN GENERAL
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1680551
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Patent number 1,680,551
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Issue date Aug 14, 1928
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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1647784
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Patent number 1,647,784
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Issue date Nov 1, 1927
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B60 - VEHICLES IN GENERAL
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1646489
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Patent number 1,646,489
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Issue date Oct 25, 1927
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B66 - HOISTING LIFTING HAULING
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1633539
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Patent number 1,633,539
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Issue date Jun 21, 1927
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B60 - VEHICLES IN GENERAL
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1632697
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Patent number 1,632,697
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Issue date Jun 14, 1927
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B60 - VEHICLES IN GENERAL
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1606672
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Patent number 1,606,672
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Issue date Nov 9, 1926
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B60 - VEHICLES IN GENERAL
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1586074
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Patent number 1,586,074
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Issue date May 25, 1926
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B60 - VEHICLES IN GENERAL
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1584307
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Patent number 1,584,307
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Issue date May 11, 1926
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B60 - VEHICLES IN GENERAL