Achim Kreher

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Aue, DE

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Patents Grantslast 30 patents

Information Patent Grant
Method of processing sheet-like workpieces in a strip-shaped manner
- Patent number 6,675,681
- Issue date Jan 13, 2004
- Gebrueder Leonhardt GmbH & Co. KG
- Karlheinz Beyrich
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Grant
Apparatus for sheet-metal plate processing to be employed at inclin...
- Patent number 6,079,308
- Issue date Jun 27, 2000
- Gebruder Leonhardt Im-Und Export GmbH & Co. KG
- Karlheinz Beyrich
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...