Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5646979 | Cordless telephone with voice announced calling party identification | — | 1997-07-08 |
| 5606598 | Telephone answering device with direct telephone line interface | Mark J. Karnowski | 1997-02-25 |