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Paul T. Dunham
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Everett, WA, US
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last 30 patents
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Patent Grant
Climbing exerciser
Patent number
D328770
Issue date
Aug 18, 1992
Precor Incorporated
William C. Henderson
D21 - Games, toys, and sports goods
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Patent Grant
Low impact treadmill
Patent number
D321734
Issue date
Nov 19, 1991
Precor Incorporated
Paul T. Dunham
D21 - Games, toys, and sports goods