Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5673325 | Noise cancellation apparatus | Martin Topf | 1997-09-30 |
| D381980 | Tethered media/communication handset | — | 1997-08-05 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5673325 | Noise cancellation apparatus | Martin Topf | 1997-09-30 |
| D381980 | Tethered media/communication handset | — | 1997-08-05 |