Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4881791 | Optical device | Stephen R. Mallinson | 1989-11-21 |
| 4869567 | Optical coupler | Stephen R. Mallinson, Michael C. Brierley | 1989-09-26 |
| 4859017 | Dielectric optical Fabry-Perot waveguide device and method for making and using same | Michael C. Brierley, Stephen R. Mallinson, William P. Urquhart | 1989-08-22 |