Helfried Weinzerl

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Patents Grantslast 30 patents

Information Patent Grant
Method for vacuum treatment of workpieces and vacuum treatment faci...
- Patent number 6,669,987
- Issue date Dec 30, 2003
- Unaxis Balzers Aktiengesellschaft
- Franz Josef Schaefer
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Optical data storage disk
- Patent number 6,645,352
- Issue date Nov 11, 2003
- Unaxis Balzers Aktiengesellschaft
- Helfried Weinzerl
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Optical data storage disk
- Patent number 6,351,446
- Issue date Feb 26, 2002
- Unaxis Balzers Aktiengesellschaft
- Helfried Weinzerl
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...

Patents Applicationslast 30 patents

Information Patent Application
Method for vacuum treatment of workpieces and vacuum treatment inst...
- Publication number 20040096583
- Publication date May 20, 2004
- Unaxis Balzers Aktiengesellschaft of Balzers, Liechtenstein.
- Franz Josef Schaefer
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Application
Optical data storage disk
- Publication number 20020054973
- Publication date May 9, 2002
- UNAXIS BALZERS AKTIENGESELLSCHAFT
- Helfried Weinzerl
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...