Klaus-Georg Bottger

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Ronnenberg, DE

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Patents Grantslast 30 patents

Information Patent Grant
Motor vehicle drive shaft comprising a straight seam welded pipe of...
- Patent number 5,857,916
- Issue date Jan 12, 1999
- VAW Aluminum AG
- Heinz Schoch
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Hollow section for coupling with other sections
- Patent number 5,158,389
- Issue date Oct 27, 1992
- VAW Aluminium A.G.
- Werner Osterwald
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Grant
Method of applying hollow section coupling to other sections
- Patent number 4,698,896
- Issue date Oct 13, 1987
- Vaw Leichtmetall G.m.b.H.
- Werner Osterwald
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...