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Thomas J. Hall
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Cincinnati, OH, US
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last 30 patents
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Patent Grant
Toothbrush exhibiting three-dimensional bristle profile and end rou...
Patent number
5,511,275
Issue date
Apr 30, 1996
The Procter & Gamble Company
Daniel W. Volpenhein
A46 - BRUSHWARE
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Patent Grant
Set of bristles for a toothbrush
Patent number
D334473
Issue date
Apr 6, 1993
The Proctor & Gamble Company
Daniel W. Volpenhein
D04 - Brushware