electrically driven

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Patents Grantslast 30 patents

Information Patent Grant
Retractable court standard and methods of use
- Patent number 8,057,329
- Issue date Nov 15, 2011
- Vickie J. Cusimano
- A63 - SPORTS GAMES AMUSEMENTS
Information Patent Grant
Tennis net winder
- Patent number 7,201,677
- Issue date Apr 10, 2007
- J.A. Cissel Mfg. Co.
- Robert K. Hellerson
- A63 - SPORTS GAMES AMUSEMENTS
Information Patent Grant
Coin or token-operated tennis net
- Patent number 4,776,588
- Issue date Oct 11, 1988
- Joseph R. Crowley
- G07 - CHECKING-DEVICES
Information Patent Grant
3645370
- Patent number 3,645,370
- Issue date Feb 29, 1972
- A63 - SPORTS GAMES AMUSEMENTS
Information Patent Grant
1998454
- Patent number 1,998,454
- Issue date Apr 23, 1935
- A63 - SPORTS GAMES AMUSEMENTS