Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4877952 | Faser cavity optical memory with optical storage and readout | Thirumala R. Halemane | 1989-10-31 |
| 4865408 | Low crosstalk reversed .DELTA..beta. electrodes for directional coupler switch | — | 1989-09-12 |