Issued Patents 1994
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5305136 | Optically bidirectional fast optical switch having reduced light loss | — | 1994-04-19 |
| 5298964 | Optical stress sensing system with directional measurement capabilities | Bruce N. Nelson | 1994-03-29 |
| 5275309 | One way valve with unitary valve element | Richard D. Baron, Carl R. Spoeth, Jr., Valdemiro M. Quadros | 1994-01-04 |