Rolfe Petschek

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Shaker Heights, OH, US

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Patents Grantslast 30 patents

Information Patent Grant
Buff-free liquid crystal alignment using poly(ionomer) coatings
- Patent number 6,942,905
- Issue date Sep 13, 2005
- Case Western Reserve University
- Rolfe G. Petschek
- G02 - OPTICS
Information Patent Grant
Electrode patterns for liquid crystal cells
- Patent number 6,671,019
- Issue date Dec 30, 2003
- Case Western Reserve University
- Rolfe G. Petschek
- G02 - OPTICS
Information Patent Grant
Cholesteric liquid crystal devices
- Patent number 5,602,662
- Issue date Feb 11, 1997
- Case Western Reserve University
- Charles Rosenblatt
- G02 - OPTICS
Information Patent Grant
Chiral nematic liquid crystal display with homeotropic alignment an...
- Patent number 5,477,358
- Issue date Dec 19, 1995
- Case Western Reserve University
- Charles Rosenblatt
- G02 - OPTICS