Gunther Mahlberg

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Bergisch Gladbach, DE

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Patents Grantslast 30 patents

Information Patent Grant
Gradation variable black- and -white paper
- Patent number 4,987,063
- Issue date Jan 22, 1991
- Agfa-Gevaert Aktiengesellschaft
- Helmut Kampfer
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Stabilization of a photographically produced silver image using an...
- Patent number 4,760,015
- Issue date Jul 26, 1988
- Agfa-Gevaert Aktiengesellschaft
- Werner Berthold
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Color photographic recording material containing a silver halide em...
- Patent number 4,705,747
- Issue date Nov 10, 1987
- Agfa-Gevaert Aktiengesellschaft
- Sieghart Klotzer
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY