Gerrit de Groot

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Haarlem, NL

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Patents Grantslast 30 patents

Information Patent Grant
Connecting mechanism for pivotally connecting a shoe to a sporting...
- Patent number 6,971,652
- Issue date Dec 6, 2005
- Viking Schaatsenfabriek B.V.
- Maarten Bobbert
- A63 - SPORTS GAMES AMUSEMENTS

Patents Applicationslast 30 patents

Information Patent Application
Connecting mechanism for pivotally connecting a shoe to a sporting...
- Publication number 20040090022
- Publication date May 13, 2004
- Maarten Bobbert
- A63 - SPORTS GAMES AMUSEMENTS
Information Patent Application
Connecting organ
- Publication number 20020079658
- Publication date Jun 27, 2002
- Maarten Bobbert
- A63 - SPORTS GAMES AMUSEMENTS