Randall S. Berens

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La Crescenta, CA, US

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Patents Grantslast 30 patents

Information Patent Grant
Racquet string alignment tool
- Patent number 6,692,387
- Issue date Feb 17, 2004
- Randall S. Berens
- A63 - SPORTS GAMES AMUSEMENTS
Information Patent Grant
Racket string straightener
- Patent number D467477
- Issue date Dec 24, 2002
- Randall S. Berens
- D08 - Tools and hardware

Patents Applicationslast 30 patents

Information Patent Application
Racquet string alignment tool
- Publication number 20020193190
- Publication date Dec 19, 2002
- Randall S. Berens
- A63 - SPORTS GAMES AMUSEMENTS