Corn; Joshua A.

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Ann Arbor, MI, US

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Patents Grantslast 30 patents

Information Patent Grant
Removable variable resistance disk for an exercise device
- Patent number D414228
- Issue date Sep 21, 1999
- Corn; Joshua A.
- Steve J. Zwonitzer
- D21 - Games, toys, and sports goods
Information Patent Grant
Exercise device
- Patent number D399272
- Issue date Oct 6, 1998
- Corn; Joshua A.
- Steve J. Zwonitzer
- D21 - Games, toys, and sports goods
Information Patent Grant
Exercise device with variable resistance
- Patent number 5,733,231
- Issue date Mar 31, 1998
- Corn; Joshua A.
- Joshua A. Corn
- A63 - SPORTS GAMES AMUSEMENTS

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