Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4874218 | Reversible Optical Switch | Terry Patrick Bowen, John C. Hoffer | 1989-10-17 |
| 4854660 | Linear translation switch with optical fibers | Pamela R. Gutterman, John C. Hoffer | 1989-08-08 |