Jean Walrave

Follow

Person

Meylan, FR

People

Patents Grantslast 30 patents

Information Patent Grant
Anti-skid fittings for tires
- Patent number 4,171,718
- Issue date Oct 23, 1979
- Ugine Carbone
- Jean Walrave
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Process of making metallic non-skid studs for tires
- Patent number 4,128,933
- Issue date Dec 12, 1978
- Eurotungstene
- Jean Walrave
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Anti-skid stud for pneumatic vehicle tires
- Patent number 3,987,831
- Issue date Oct 26, 1976
- Ugine Carbone
- Jean Walrave
- B60 - VEHICLES IN GENERAL