Gunnar Mattson

Follow

Person

Njurunda, SE

People

Patents Grantslast 30 patents

Information Patent Grant
Toner particles for electrophotographic copying and processes for t...
- Patent number 4,923,776
- Issue date May 8, 1990
- Casco Nobel AB
- Bertil Hedvall
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Toner particles for electrophotographic copying and processes for t...
- Patent number 4,794,065
- Issue date Dec 27, 1988
- Casco Nobel AB
- Bertil Hedvall
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY