Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5177781 | Dialing pulse signature recognizing method and device | Michel Ponton, Yves Lemieux, Marc-Andre Gareau | 1993-01-05 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5177781 | Dialing pulse signature recognizing method and device | Michel Ponton, Yves Lemieux, Marc-Andre Gareau | 1993-01-05 |