Joseph W. Strain

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St. Louis, MO, US

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Patents Grantslast 30 patents

Information Patent Grant
Bounce back sports apparatus
- Patent number 6,250,634
- Issue date Jun 26, 2001
- Joseph W. Strain
- A63 - SPORTS GAMES AMUSEMENTS
Information Patent Grant
Bounce back sports apparatus
- Patent number 5,934,679
- Issue date Aug 10, 1999
- Joseph W. Strain
- A63 - SPORTS GAMES AMUSEMENTS