Ullrich Trautwein

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Wehrheim, DE

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Patents Grantslast 30 patents

Information Patent Grant
Method for producing orthodontic devices and appliances
- Patent number 4,656,053
- Issue date Apr 7, 1987
- Kulzer & Co. GmbH
- Michael Angrick
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Method for producing orthodontic devices and appliances
- Patent number 4,568,558
- Issue date Feb 4, 1986
- Kulzer & Co. GmbH
- Michael Angrick
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE