Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5778061 | Switching device for a telephone set with handset, switching an auxiliary device by substituting for the handset | Philippe Parment | 1998-07-07 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5778061 | Switching device for a telephone set with handset, switching an auxiliary device by substituting for the handset | Philippe Parment | 1998-07-07 |