Robert Korwin

Follow

Person

Philadelphia, PA, US

People

Patents Grantslast 30 patents

Information Patent Grant
Method and apparatus for storing, mixing and delivering dental amalgam
- Patent number 4,470,505
- Issue date Sep 11, 1984
- Paul Korwin
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Dental container and amalgam dispensing method
- Patent number 4,449,645
- Issue date May 22, 1984
- Paul Korwin
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Arrangement for, method of, and device for use in taking dental imp...
- Patent number 4,424,034
- Issue date Jan 3, 1984
- Paul Korwin
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE