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Heinrich Hesse
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Bielefeld, DE
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last 30 patents
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Patent Grant
Guiding a mandrel or punch for piercing or cold-extrusion
Patent number
4,416,139
Issue date
Nov 22, 1983
Mannesmann Aktiengesellschaft
Heinrich Hesse
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
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Patent Grant
Axle bodies
Patent number
4,220,277
Issue date
Sep 2, 1980
Mannesmann Aktiengesellschaft
Heinrich Hesse
B60 - VEHICLES IN GENERAL