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William M. Riley
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Milan, MI, US
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last 30 patents
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Patent Grant
Unitized exclusion seal
Patent number
4,943,068
Issue date
Jul 24, 1990
Mather Seal Company
Frederick R. Hatch
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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Patent Grant
Dust excluder for vehicle air conditioning compressor seal assembly
Patent number
4,861,045
Issue date
Aug 29, 1989
Mather Seal Company
William M. Riley
B60 - VEHICLES IN GENERAL