Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5058153 | Noise mitigation and mode switching in communications terminals such as telephones | Roland Thomas Lockhart, Sean G. Brophy | 1991-10-15 |
| 4944004 | Interface circuit with transient event tolerance | Robert S. Morley | 1990-07-24 |