Issued Patents All Time
Showing 1–16 of 16 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6111633 | Polarization independent optical switching device | Richard D. Albert | 2000-08-29 |
| 5168478 | Time standard assembly with upset protection and recovery means | — | 1992-12-01 |
| 4913509 | Fail-safe port for use with an optical fiber | — | 1990-04-03 |
| 4813769 | Liquid crystal wave division device | — | 1989-03-21 |
| 4792212 | Liquid crystal switching device | — | 1988-12-20 |
| 4790633 | Liquid crystal switching apparatus | — | 1988-12-13 |
| 4784470 | Optical switching device | — | 1988-11-15 |
| 4781426 | Optical fiber collimator/switch including liquid crystal polarizing material | — | 1988-11-01 |
| 4773736 | Method of fabricating a liquid crystal optical cross point switching matrix device | — | 1988-09-27 |
| 4755038 | Liquid crystal switching device using the brewster angle | — | 1988-07-05 |
| 4749258 | Liquid crystal optical cross point switching device | — | 1988-06-07 |
| 4737019 | Liquid crystal optical switching device having minimized internal light path | — | 1988-04-12 |
| 4720174 | Liquid crystal optical switching device with integrally attached optical fibers | — | 1988-01-19 |
| 4720172 | Liquid crystal optical switching device | — | 1988-01-19 |
| 4720171 | Liquid crystal optical switching device having reduced crosstalk | — | 1988-01-19 |
| 4711529 | Optical interface apparatus | — | 1987-12-08 |