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Kim Havemann
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Weissach, DE
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last 30 patents
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Patent Grant
Drive arrangement for a vehicle having a propeller
Patent number
4,872,624
Issue date
Oct 10, 1989
Dr. Ing. h.c.F. Porsche AG
Juergen Hawener
B64 - AIRCRAFT AVIATION COSMONAUTICS
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Patent Grant
Four-wheel drive arrangement for motor vehicles
Patent number
4,690,238
Issue date
Sep 1, 1987
Dr. Ing. h.c.F. Porsche Aktiengesellschaft
Rolf von Sivers
B60 - VEHICLES IN GENERAL