Anthony L. Zavilenski Jr.

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Huntington Beach, CA, US

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Patents Grantslast 30 patents

Information Patent Grant
Racket string tensioning device
- Patent number 4,721,304
- Issue date Jan 26, 1988
- Zavilenski, Jr.; Anthony L.
- Anthony L. Zavilenski
- A63 - SPORTS GAMES AMUSEMENTS