Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5555300 | Telephone handset microphone level adjustment | — | 1996-09-10 |
| 5455859 | Telephone handset interface for device having audio input | — | 1995-10-03 |
| 5134649 | Acoustic coupler for high-speed modem | — | 1992-07-28 |
| D312627 | Modem interface unit | — | 1990-12-04 |
| 4907267 | Modem interface device | — | 1990-03-06 |