Augustin W. Rollison

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San Diego, CA, US

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Patents Grantslast 30 patents

Information Patent Grant
Multiple material golf club head with a polymer insert face
- Patent number 6,478,690
- Issue date Nov 12, 2002
- Callaway Golf Company
- Richard C. Helmstetter
- A63 - SPORTS GAMES AMUSEMENTS
Information Patent Grant
Multiple material golf club head with a polymer insert face
- Patent number 6,328,661
- Issue date Dec 11, 2001
- Michael A. Catania
- Richard C. Helmstetter
- A63 - SPORTS GAMES AMUSEMENTS