Robert J. von Trebra

Person

Flemington, NJ, US

People

Patents Grantslast 30 patents

Information Patent Grant
Negative working diazo color proofing sheet with adhesive layer hav...
- Patent number 5,824,448
- Issue date Oct 20, 1998
- Bayer Corporation
- Shuchen Liu
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Partially translucent white film having metallized surface
- Patent number 5,609,945
- Issue date Mar 11, 1997
- Bayer Corporation
- Robert J. von Trebra
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Composite black and white substrate for color proofing films
- Patent number 5,360,688
- Issue date Nov 1, 1994
- Hoechst Celanese Corporation
- Robert J. von Trebra
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Partially translucent white film having a metallized surface
- Patent number 5,300,395
- Issue date Apr 5, 1994
- Hoechst Celanese Corporation
- Robert J. von Trebra
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Composite black and white substrate for color proofing films
- Patent number 5,288,570
- Issue date Feb 22, 1994
- Hoechst Celanese Corporation
- Robert J. von Trebra
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Partially translucent white film having a metallized surface
- Patent number 5,246,812
- Issue date Sep 21, 1993
- Hoechst Celanese Corporation
- Robert J. von Trebra
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY

Robert J. von Trebra

Person

Patents Grantslast 30 patents

Negative working diazo color proofing sheet with adhesive layer hav...

Partially translucent white film having metallized surface

Composite black and white substrate for color proofing films

Partially translucent white film having a metallized surface

Composite black and white substrate for color proofing films

Partially translucent white film having a metallized surface