Charles Flechtner

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Clermont-Ferrand, FR

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Patents Grantslast 30 patents

Information Patent Grant
Tire tread relief elements having undulated or broken line incisions
- Patent number 4,598,747
- Issue date Jul 8, 1986
- Compagnie Generale des Etablissements Michelin
- Charles Flechtner
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Process and mold for shaping tire tread with blades to prevent undu...
- Patent number 4,303,115
- Issue date Dec 1, 1981
- Compagnie Generale des Etablissements Michelin
- Charles Flechtner
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Winter tire
- Patent number 4,298,046
- Issue date Nov 3, 1981
- Compagnie Generale des Etablissements Michelin
- Yves Herbelleau
- B60 - VEHICLES IN GENERAL