Erich Duffner

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Patents Grantslast 30 patents

Information Patent Grant
Clamping chuck
- Patent number 9,155,382
- Issue date Oct 13, 2015
- Zahoransky AG
- Erich Duffner
- B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS

Patents Applicationslast 30 patents

Information Patent Application
CLAMPING CHUCK
- Publication number 20130119595
- Publication date May 16, 2013
- ZAHORANSKY AG
- Erich Duffner
- A46 - BRUSHWARE