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Hub cap vent device
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Patent number 5,492,393
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Issue date Feb 20, 1996
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SKF USA Inc.
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Glenn W. Peisker
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B60 - VEHICLES IN GENERAL
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Composite teflon helix seal
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Patent number 4,501,431
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Issue date Feb 26, 1985
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Chicago Rawhide Manufacturing Company
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Glenn Peisker
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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Unitized oil seals
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Patent number 4,448,426
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Issue date May 15, 1984
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Chicago Rawhide Manufacturing Company
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Ronald A. Jackowski
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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Shaft seal with helical pumping element
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Patent number 4,094,519
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Issue date Jun 13, 1978
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Chicago Rawhide Manufacturing Company
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William O. Heyn
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...