Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4837780 | Transmit line buildout circuits | — | 1989-06-06 |
| 4827475 | Transmitting a digital signal and an additional signal | Ernst A. Munter | 1989-05-02 |
| 4811340 | Synchronization of asynchronous data signals | James Angus McEachern | 1989-03-07 |