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Ball support
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Patent number 5,455,988
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Issue date Oct 10, 1995
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Marco Marraccini
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B60 - VEHICLES IN GENERAL
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Swivel caster assembly
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Patent number 5,237,721
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Issue date Aug 24, 1993
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Century Products Company
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John J. Andrisin
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B60 - VEHICLES IN GENERAL
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3445882
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Patent number 3,445,882
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Issue date May 27, 1969
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B60 - VEHICLES IN GENERAL
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2980435
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Patent number 2,980,435
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Issue date Apr 18, 1961
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B60 - VEHICLES IN GENERAL
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2599969
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Patent number 2,599,969
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Issue date Jun 10, 1952
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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2451353
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Patent number 2,451,353
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Issue date Oct 12, 1948
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B60 - VEHICLES IN GENERAL
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2225753
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Patent number 2,225,753
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Issue date Dec 24, 1940
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B60 - VEHICLES IN GENERAL
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1768785
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Patent number 1,768,785
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Issue date Jul 1, 1930
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B60 - VEHICLES IN GENERAL
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1224294
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Patent number 1,224,294
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Issue date May 1, 1917
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B60 - VEHICLES IN GENERAL
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992290
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Patent number 992,290
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Issue date May 16, 1911
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B60 - VEHICLES IN GENERAL
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931958
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Patent number 931,958
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Issue date Aug 24, 1909
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B60 - VEHICLES IN GENERAL
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893221
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Patent number 893,221
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Issue date Jul 14, 1908
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A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
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877236
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Patent number 877,236
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Issue date Jan 21, 1908
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B60 - VEHICLES IN GENERAL
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865472
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Patent number 865,472
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Issue date Sep 10, 1907
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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818080
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Patent number 818,080
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Issue date Apr 17, 1906
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B60 - VEHICLES IN GENERAL
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549267
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Patent number 549,267
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Issue date Nov 5, 1895
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B60 - VEHICLES IN GENERAL
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406185
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Patent number 406,185
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Issue date Jul 2, 1889
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B60 - VEHICLES IN GENERAL
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338985
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Patent number 338,985
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Issue date Mar 30, 1886
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B60 - VEHICLES IN GENERAL
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301396
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Patent number 301,396
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Issue date Jul 1, 1884
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B60 - VEHICLES IN GENERAL
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242648
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Patent number 242,648
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Issue date Jun 7, 1881
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B60 - VEHICLES IN GENERAL
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210218
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Patent number 210,218
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Issue date Nov 26, 1878
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B60 - VEHICLES IN GENERAL
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201842
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Patent number 201,842
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Issue date Mar 26, 1878
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B60 - VEHICLES IN GENERAL
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196024
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Patent number 196,024
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Issue date Oct 9, 1877
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B60 - VEHICLES IN GENERAL
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178857
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Patent number 178,857
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Issue date Jun 20, 1876
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B60 - VEHICLES IN GENERAL
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96393
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Patent number 96,393
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Issue date Nov 2, 1869
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B60 - VEHICLES IN GENERAL
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84126
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Patent number 84,126
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Issue date Nov 17, 1868
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B60 - VEHICLES IN GENERAL
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76630
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Patent number 76,630
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Issue date Apr 14, 1868
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B60 - VEHICLES IN GENERAL
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58879
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Patent number 58,879
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Issue date Oct 16, 1866
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B60 - VEHICLES IN GENERAL