Elfotec A.G.

Follow

Organization

Zumikon, CH

Organizations

Please log in for detailed analytics

Patents Grantslast 30 patents

Information Patent Grant
Process for improving the photoelectric properties of a laminated c...
- Patent number 4,386,148
- Issue date May 31, 1983
- Elfotec A.G.
- Hans Camenisch
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Process for improving the photoelectric properties of a laminated c...
- Patent number 4,307,166
- Issue date Dec 22, 1981
- Elfotec A.G.
- Hans Camenisch
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Process for electrographic image production and an apparatus for ca...
- Patent number 4,240,723
- Issue date Dec 23, 1980
- Elfotec A.G.
- Gabor Forgo
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Process for electrophotographic image formation and transfer
- Patent number 4,210,448
- Issue date Jul 1, 1980
- Elfotec A.G.
- Gabor Forgo
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Procedure for making a reusable photoconducting charge image carrie...
- Patent number 4,191,567
- Issue date Mar 4, 1980
- Elfotec A.G.
- Hans Camenisch
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Process and apparatus for developing and cleaning a charge image ca...
- Patent number 4,181,422
- Issue date Jan 1, 1980
- Elfotec A.G.
- Gabor Forgo
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY

Patents Applicationslast 30 patents

Trademarklast 30 trademarks

Information Trademark
74161001 - REFILL SYSTEM ELFOTEC
- Serial number 74161001
- Filing date Apr 26, 1991
- Elfotec AG
- 16 - Paper, cardboard and goods made from these materials, not included in other classes