Norbert Rolland

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Orvault, FR

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Patents Grantslast 30 patents

Information Patent Grant
Speed changer with pre-determined gears, particularly for cycles
- Patent number 7,849,760
- Issue date Dec 14, 2010
- Etcetera
- Norbert Rolland
- B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS

Patents Applicationslast 30 patents

Information Patent Application
Speed changer with pre-determined gears, particularly for cycles
- Publication number 20060223660
- Publication date Oct 5, 2006
- Norbert Rolland
- B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS