Helmut Hader

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CH - 2300 La Chaux-de-Fonds, CH

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Patents Grantslast 30 patents

Information Patent Grant
Implantable dental support structure
- Patent number 5,219,286
- Issue date Jun 15, 1993
- Firma H. Hader Dental Products SA
- Helmut Hader
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Dental anchoring for attachment of dental prostheses to crowns, piv...
- Patent number 4,561,847
- Issue date Dec 31, 1985
- Helmut Hader
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Dental attachment for fixing dental prostheses
- Patent number 4,556,388
- Issue date Dec 3, 1985
- Helmut Hader
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Coupling for releasably fixing a dental prothesis in the mouth
- Patent number 4,547,156
- Issue date Oct 15, 1985
- Helmut Hader
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Dental attachment for fixing dental prostheses
- Patent number 4,475,891
- Issue date Oct 9, 1984
- Helmut Hader
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE