Waltraud Fehrenbach

Person

Emmendingen, DE

People

Patents Grantslast 30 patents

Information Patent Grant
LC display device with parallel field component
- Patent number 7,656,490
- Issue date Feb 2, 2010
- Merck Patent Gesellschaft
- Gunter Baur
- G02 - OPTICS
Information Patent Grant
Electrooptical system
- Patent number 6,327,010
- Issue date Dec 4, 2001
- Merck Patent Gesellschaft mit beschrankter Haftung
- Bernhard Scheuble
- G02 - OPTICS
Information Patent Grant
Liquid crystal display devices having a parallel electric field and...
- Patent number 5,841,498
- Issue date Nov 24, 1998
- Merck Patent Gesellschaft mit beschrankter Haftung
- Gunter Baur
- G02 - OPTICS
Information Patent Grant
Reflection mode liquid crystal display devices having a parallel el...
- Patent number 5,841,499
- Issue date Nov 24, 1998
- Merck Patent Gesellschaft mit beschrankter Haftung
- Gunter Baur
- G02 - OPTICS
Information Patent Grant
Liquid crystal switching elements having a parallel electric field...
- Patent number 5,576,867
- Issue date Nov 19, 1996
- Merck Patent Gesellschaft mit beschrankter Haftung
- Gunter Baur
- G02 - OPTICS
Information Patent Grant
Electrooptical display element using a supertwist liquid crystal ha...
- Patent number 5,188,758
- Issue date Feb 23, 1993
- Merck Patent Gesellschaft mit beschraenkter Haftung
- Gunter Baur
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Electro-optical display element
- Patent number 4,886,344
- Issue date Dec 12, 1989
- Merck Patent Gesellschaft mit beschrankter Haftung
- Bernhard Scheuble
- G02 - OPTICS
Information Patent Grant
Electrooptical display element using a supertwist liquid crystal ha...
- Patent number 4,799,774
- Issue date Jan 24, 1989
- Merck Patent Gesellschaft mit beschrankter Haftung
- Guter Baur
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...

Patents Applicationslast 30 patents

Information Patent Application
Electrooptical system
- Publication number 20020060761
- Publication date May 23, 2002
- Merck Patent GmbH
- Bernhard Scheuble
- G02 - OPTICS

Waltraud Fehrenbach

Person

Patents Grantslast 30 patents

LC display device with parallel field component

Electrooptical system

Liquid crystal display devices having a parallel electric field and...

Reflection mode liquid crystal display devices having a parallel el...

Liquid crystal switching elements having a parallel electric field...

Electrooptical display element using a supertwist liquid crystal ha...

Electro-optical display element

Electrooptical display element using a supertwist liquid crystal ha...

Patents Applicationslast 30 patents

Electrooptical system