Wito Hartmann

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Aalen, DE

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Patents Grantslast 30 patents

Information Patent Grant
Blocking piece and method for vacuum blocking a lens blank
- Patent number 12,059,768
- Issue date Aug 13, 2024
- Carl Zeiss Vision International GmbH
- Gerd Nowak
- B24 - GRINDING POLISHING

Patents Applicationslast 30 patents

Information Patent Application
BLOCKING PIECE AND METHOD FOR VACUUM BLOCKING A LENS BLANK
- Publication number 20230075451
- Publication date Mar 9, 2023
- CARL ZEISS VISION INTERNATIONAL GMBH
- Gerd Nowak
- B24 - GRINDING POLISHING