Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4829300 | Signal generation | — | 1989-05-09 |
| 4810050 | Optical inverter and logic devices using same with buffer limited electrical interface | — | 1989-03-07 |
| 4809256 | Optical demultiplexer | David R. Smith | 1989-02-28 |