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William G. Fenner Sr.
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Richmond, VA, US
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last 30 patents
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Patent Grant
Mattress overlay for avoidance of decubitus ulcers
Patent number
5,031,261
Issue date
Jul 16, 1991
E.R. Carpenter Company, Inc.
William G. Fenner
A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
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Patent Grant
Pressure reduction mattress
Patent number
5,022,111
Issue date
Jun 11, 1991
E.R. Carpenter Company, Inc.
William G. Fenner
A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...