Helmut Sprenger

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Ennepetal, DE

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Patents Grantslast 30 patents

Information Patent Grant
Ring-shaped tool for processing a work piece
- Patent number 9,481,042
- Issue date Nov 1, 2016
- Meiko Haertel
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR

Patents Applicationslast 30 patents

Information Patent Application
RING-SHAPED TOOL FOR PROCESSING A WORK PIECE
- Publication number 20150258618
- Publication date Sep 17, 2015
- Meiko Haertel
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR