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Guggingen, CH
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Patents Grants
last 30 patents
Information
Patent Grant
Shaping machine for cylindrically bending a plate
Patent number
5,115,658
Issue date
May 26, 1992
Chr. Haeusler AG
Wilhelm Kirchhoff
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Grant
Process for the production of a conical shell using sheet metal ben...
Patent number
4,735,076
Issue date
Apr 5, 1988
Chr. Haeusler AG
Hans Zeugin
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
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