Hermann Amstutz

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Mellingen, CH

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Patents Grantslast 30 patents

Information Patent Grant
Liquid crystal devices
- Patent number 4,965,017
- Issue date Oct 23, 1990
- Imperial Chemical Industries PLC
- Paul Holmes
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Process and apparatus for the production of an orientation layer on...
- Patent number 4,705,359
- Issue date Nov 10, 1987
- BBC Brown, Boveri & Company, Limited
- Hermann Amstutz
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Liquid crystal display having degree of twist and thickness for imp...
- Patent number 4,697,884
- Issue date Oct 6, 1987
- BBC Brown, Boveri & Company, Limited
- Hermann Amstutz
- G02 - OPTICS
Information Patent Grant
Liquid crystal display
- Patent number 4,634,229
- Issue date Jan 6, 1987
- BBC Brown, Boveri & Company Limited
- Hermann Amstutz
- G02 - OPTICS
Information Patent Grant
Liquid crystal display cell with elastic cell spacers
- Patent number 4,626,073
- Issue date Dec 2, 1986
- BBC Brown, Boveri & Company, Limited
- Hermann Amstutz
- G02 - OPTICS
Information Patent Grant
Addressing method for a multiplexable, bistable liquid crystal display
- Patent number 4,608,558
- Issue date Aug 26, 1986
- BBC Brown, Boveri & Company, Limited
- Hermann Amstutz
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS