Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4819228 | Synchronous packet voice/data communication system | Paul Baran, Charles M. Corbalis, Brian Holden, Jon K. Masatsugu, Lewis James Marggraff +1 more | 1989-04-04 |
| 4810960 | Measuring adjacent channel power | Donald Pearce | 1989-03-07 |
| 4795970 | Electrical apparatus | — | 1989-01-03 |