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DAVID A. BERNHARDT
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WASHINGTON TOWNSHIP, MI, US
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Patents Grants
last 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 Applications
last 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