Roy E. Hensel

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Cranbury, NJ, US

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Patents Grantslast 30 patents

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
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
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
Information Patent Grant
Assembly for processing a photosensitive material
- Patent number 4,332,454
- Issue date Jun 1, 1982
- American Hoechst Corporation
- Roy Hensel
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Method of using a test film to measure developer activity
- Patent number 4,004,923
- Issue date Jan 25, 1977
- American Hoechst Corporation
- Roy E. Hensel
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY