Karl Zwerina

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Goeppingen, DT

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Patents Grantslast 30 patents

Information Patent Grant
Apparatus for stripping hollow articles from a press ram
- Patent number 3,990,289
- Issue date Nov 9, 1976
- L. Schuler GmbH
- Karl Widmann
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Grant
Apparatus for stripping hollow articles off a press ram
- Patent number 3,935,724
- Issue date Feb 3, 1976
- L. Schuler GmbH
- Kurt Finsterwalder
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...