Otto Berg

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Patents Grantslast 30 patents

Information Patent Grant
Method for improving the dynamic strength of wheel disks of vehicle...
- Patent number 4,767,473
- Issue date Aug 30, 1988
- Ardal og Sunndal Verk a.s.
- Otto Berg
- C21 - METALLURGY OF IRON
Information Patent Grant
Method of calibrating vehicle wheels to a finished size
- Patent number 4,708,749
- Issue date Nov 24, 1987
- Ardal og Sunndal Verk a.s.
- Otto Berg
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Method of forming to a finished size vehicle wheels made of a heat-...
- Patent number 4,687,524
- Issue date Aug 18, 1987
- Ardal og Sunndal Verk a.s.
- Otto Berg
- B60 - VEHICLES IN GENERAL