Roland Sommer

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D-6231 Schwalbach/Taunus, DE

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Patents Grantslast 30 patents

Information Patent Grant
Sports equipment for ball game having an improved attenuation of os...
- Patent number 5,613,916
- Issue date Mar 25, 1997
- Roland Sommer
- A63 - SPORTS GAMES AMUSEMENTS
Information Patent Grant
Sports equipment for ball games having an improved attenuation of o...
- Patent number 5,454,562
- Issue date Oct 3, 1995
- Roland Sommer
- A63 - SPORTS GAMES AMUSEMENTS