Hanspeter Willi

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Vaduz, LI

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Patents Grantslast 30 patents

Information Patent Grant
Photopolymerizable composition, especially for dental purposes
- Patent number 4,439,380
- Issue date Mar 27, 1984
- Etablissement Dentaire Ivoclar
- Rudy Michl
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Synthetic dental compositions for production of dental restorations...
- Patent number 4,330,283
- Issue date May 18, 1982
- Establissement Dentaire Ivoclar
- Rudy Michl
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE