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Boyce J. Lear Jr.
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Gastonia, NC, US
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last 30 patents
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Patent Grant
Rotary shaft seal with retractable excluder lip
Patent number
5,244,215
Issue date
Sep 14, 1993
Chicago Rawhide Manufacturing Company
Douglas A. Cather
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...