Rolf Meyer

Follow

Person

Schaffhausen, CH

People

Patents Grantslast 30 patents

Information Patent Grant
Photographic apparatus for using roll films
- Patent number 4,340,292
- Issue date Jul 20, 1982
- Koch; Carl
- Carl Koch
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Apparatus for varying picture size before or after film advance
- Patent number 4,180,314
- Issue date Dec 25, 1979
- Carl Koch
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY