Eva-Maria Zierpka

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Karlsruhe, DE

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Patents Grantslast 30 patents

Information Patent Grant
Tool system that can be coupled to a lathe drive shaft
- Patent number 6,302,408
- Issue date Oct 16, 2001
- Eva-Maria Zierpka
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Drilling tool
- Patent number 5,975,815
- Issue date Nov 2, 1999
- Zierpka; Eva Maria
- Katrin Zierpka
- B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS