Jan Hendrik Wijngaard

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Chur, CH

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Patents Grantslast 30 patents

Information Patent Grant
Method for removing layers of hard material
- Patent number 6,706,122
- Issue date Mar 16, 2004
- Unaxis Trading AG
- Jan Hendrik Wijngaard
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Method for separating layers from articles
- Patent number 6,432,219
- Issue date Aug 13, 2002
- Unakis Trading AG
- Jan Hendrik Wijngaard
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...

Patents Applicationslast 30 patents

Information Patent Application
Method for removing layers of hard material
- Publication number 20010013356
- Publication date Aug 16, 2001
- Jan Hendrik Wijngaard
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...