John R. Griffin

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Dorchester, MA, US

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Patents Grantslast 30 patents

Information Patent Grant
Custom denture fabrication technic
- Patent number 4,517,043
- Issue date May 14, 1985
- Raymond H. Martin
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Denture occlusal mounting translator
- Patent number 4,500,289
- Issue date Feb 19, 1985
- Ugo S. Garganese
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Plasterless articulator
- Patent number 4,337,039
- Issue date Jun 29, 1982
- Raymond H. Martin
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE