Petrzilka; Martin
Patent Applications and Registrations
Patent applications and USPTO patent grants for Petrzilka; Martin.The latest application filed is for "liquid crystals".
- Petrzilka; Martin - Kaiseraugst CH
| Patent | Date |
|---|---|
| Liquid crystals Grant 5,013,478 - Petrzilka May 7, 1 | 1991-05-07 |
| Novel liquid crystal mixtures Grant 4,709,030 - Petrzilka , et al. November 24, 1 | 1987-11-24 |
| Liquid crystals Grant 4,676,604 - Petrzilka June 30, 1 | 1987-06-30 |
| Benzonitriles Grant 4,630,896 - Petrzilka , et al. December 23, 1 | 1986-12-23 |
| Cyclohexanecarbonitriles Grant 4,629,581 - Boller , et al. December 16, 1 | 1986-12-16 |
| Novel liquid crystal mixtures Grant 4,621,901 - Petrzilka , et al. November 11, 1 | 1986-11-11 |
| Phenylethanes Grant 4,583,826 - Petrzilka , et al. April 22, 1 | 1986-04-22 |
| Liquid crystals Grant 4,565,425 - Petrzilka , et al. January 21, 1 | 1986-01-21 |
| Optical immersion oil Grant 4,559,147 - Hirth , et al. December 17, 1 | 1985-12-17 |
| Liquid crystalline esters and mixtures Grant 4,550,981 - Petrzilka , et al. November 5, 1 | 1985-11-05 |
| Acetylenes Grant 4,528,114 - Petrzilka July 9, 1 | 1985-07-09 |
| Immersion oil containing aliphatic thio compounds Grant 4,493,533 - Petrzilka , et al. January 15, 1 | 1985-01-15 |
| Liquid crystal mixture Grant 4,460,770 - Petrzilka , et al. July 17, 1 | 1984-07-17 |
| Pyridazines Grant 4,419,262 - Petrzilka December 6, 1 | 1983-12-06 |
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