Donald Steven Rahrig

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Arlington, TX, US

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Patents Grantslast 30 patents

Information Patent Grant
Perimeter weighted iron type golf club head with multiple level wei...
- Patent number 6,120,388
- Issue date Sep 19, 2000
- Spalding Sports Worldwide, Inc.
- Robert Thomas Blough
- A63 - SPORTS GAMES AMUSEMENTS
Information Patent Grant
Perimeter weighted iron type golf club heads with multiple level we...
- Patent number 5,921,869
- Issue date Jul 13, 1999
- Lisco, Inc.
- Robert Thomas Blough
- A63 - SPORTS GAMES AMUSEMENTS