Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4864581 | Semiconductor structures and a method of manufacturing semiconductor structures | Richard E. Hobbs, W. John Deuling, Charles G. Lenton | 1989-09-05 |
| 4805184 | Ridge waveguide optical devices | Philip J. Fiddyment, Leslie D. Westbrook | 1989-02-14 |