DAVID A. BERNHARDT

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WASHINGTON TOWNSHIP, MI, US

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Patents Grantslast 30 patents

Information Patent Grant
Removable insert for a bowling ball
- Patent number 7,762,903
- Issue date Jul 27, 2010
- David A. Bernhardt
- A63 - SPORTS GAMES AMUSEMENTS
Information Patent Grant
Bowling ball finger grip
- Patent number 6,837,796
- Issue date Jan 4, 2005
- David A. Bernhardt
- A63 - SPORTS GAMES AMUSEMENTS
Information Patent Grant
Bowling ball finger grip
- Patent number 6,736,734
- Issue date May 18, 2004
- David A. Bernhardt
- A63 - SPORTS GAMES AMUSEMENTS
Information Patent Grant
Finger insert for a bowling ball
- Patent number 5,007,640
- Issue date Apr 16, 1991
- David A. Bernhardt
- A63 - SPORTS GAMES AMUSEMENTS

Patents Applicationslast 30 patents

Information Patent Application
Custom Bowling Center Ball System
- Publication number 20080318701
- Publication date Dec 25, 2008
- Lori Tessmar
- A63 - SPORTS GAMES AMUSEMENTS
Information Patent Application
Removable Insert for a Bowling Ball
- Publication number 20080207345
- Publication date Aug 28, 2008
- David A. Bernhardt
- A63 - SPORTS GAMES AMUSEMENTS
Information Patent Application
Transparent bowling ball finger grip
- Publication number 20060121998
- Publication date Jun 8, 2006
- David A. Bernhardt
- A63 - SPORTS GAMES AMUSEMENTS
Information Patent Application
BOWLING BALL FINGER GRIP
- Publication number 20030045367
- Publication date Mar 6, 2003
- DAVID A. BERNHARDT
- A63 - SPORTS GAMES AMUSEMENTS