Sethofer; Nicholas L.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Sethofer; Nicholas L..The latest application filed is for "liquid crystal variable color density lens and eye protective devices incorporating the same".
- Sethofer; Nicholas L. - San Jose CA
| Patent | Date |
|---|---|
| Liquid crystal variable color density lens and eye protective devices incorporating the same Grant 5,172,256 - Sethofer , et al. December 15, 1 | 1992-12-15 |
| Guest-host liquid crystalline composition Grant 4,414,131 - Sethofer , et al. November 8, 1 | 1983-11-08 |
| Cyclohexyl-dioxane liquid crystalline compounds Grant 4,335,011 - Sethofer June 15, 1 | 1982-06-15 |
| Three ring dioxane liquid crystalline compounds Grant 4,325,830 - Sethofer April 20, 1 | 1982-04-20 |
| Liquid crystal composition Grant 4,323,471 - Sethofer April 6, 1 | 1982-04-06 |
| Cyclohexyl cyclohexyl dioxane liquid crystalline compounds and admixture containing same Grant 4,323,504 - Sethofer April 6, 1 | 1982-04-06 |
| Cyclohexyl cyclohexyl dioxane liquid crystalline compounds and admixture containing same Grant 4,323,473 - Sethofer April 6, 1 | 1982-04-06 |
| Liquid crystal admixture Grant 4,323,472 - Sethofer April 6, 1 | 1982-04-06 |
| Cyclohexyl-dioxane liquid crystalline compounds Grant 4,298,528 - Sethofer November 3, 1 | 1981-11-03 |
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