John W. Rohrer

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York, ME, US

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Patents Grantslast 30 patents

Information Patent Grant
Putterhead with center line forward offset hosel
- Patent number 7,371,185
- Issue date May 13, 2008
- Rohrer Technologies, Inc.
- John W. Rohrer
- A63 - SPORTS GAMES AMUSEMENTS
Information Patent Grant
Putter grip with improved vibration transmission to hands
- Patent number 7,140,973
- Issue date Nov 28, 2006
- Rohrer Technologies, Inc.
- John W. Rohrer
- A63 - SPORTS GAMES AMUSEMENTS
Information Patent Grant
Golf putter with improved moment of inertia, aim and feel
- Patent number 7,077,758
- Issue date Jul 18, 2006
- Rohrer Technologies, Inc.
- John W. Rohrer
- A63 - SPORTS GAMES AMUSEMENTS
Information Patent Grant
Golf putter with improved miss-hit performance, aim and feel
- Patent number 6,958,019
- Issue date Oct 25, 2005
- Rohrer Technologies, Inc.
- John W. Rohrer
- A63 - SPORTS GAMES AMUSEMENTS
Information Patent Grant
Golf clubheads correcting distance loss due to mishits
- Patent number 6,431,997
- Issue date Aug 13, 2002
- John W. Rohrer
- A63 - SPORTS GAMES AMUSEMENTS
Information Patent Grant
Golf club head with variable energy absorption
- Patent number 6,302,807
- Issue date Oct 16, 2001
- John W. Rohrer
- A63 - SPORTS GAMES AMUSEMENTS
Information Patent Grant
Golf putterhead
- Patent number 5,766,093
- Issue date Jun 16, 1998
- John W. Rohrer
- A63 - SPORTS GAMES AMUSEMENTS

Patents Applicationslast 30 patents

Information Patent Application
Golf putter with improved moment of inertia, aim and feel
- Publication number 20050239574
- Publication date Oct 27, 2005
- Rohrer Technologies, Inc.
- John W. Rohrer
- A63 - SPORTS GAMES AMUSEMENTS
Information Patent Application
Focused beam emitting golf ball like device for putter aim testing...
- Publication number 20040137997
- Publication date Jul 15, 2004
- Rohrer Technologies, Inc.
- John W. Rohrer
- A63 - SPORTS GAMES AMUSEMENTS
Information Patent Application
Putter grip with improved vibration transmission to hands
- Publication number 20040121850
- Publication date Jun 24, 2004
- Rohrer Technologies, Inc.
- John W. Rohrer
- A63 - SPORTS GAMES AMUSEMENTS
Information Patent Application
Golf putter with improved miss-hit performance, aim and feel
- Publication number 20030228925
- Publication date Dec 11, 2003
- Rohrer Technologies, Inc.
- John W. Rohrer
- A63 - SPORTS GAMES AMUSEMENTS