Manfred Duvenkamp

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Trebur-Geinsheim, DE

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Patents Grantslast 30 patents

Information Patent Grant
Motor vehicle seat cushion
- Patent number 5,543,213
- Issue date Aug 6, 1996
- General Motors Corporation
- Manfred Duvenkamp
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Foldable headrest for a vehicle seat, especially for the rear seat...
- Patent number 4,822,102
- Issue date Apr 18, 1989
- General Motors Corporation
- Manfred Duvenkamp
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Foldable headrest for vehicle rear seat
- Patent number 4,711,494
- Issue date Dec 8, 1987
- General Motors Corporation
- Manfred Duvenkamp
- B60 - VEHICLES IN GENERAL