Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4654862 | Digital signal transmission cable noise analyzer | Marcel Schirlin, Jean-Claude Perrot | 1987-03-31 |
| 4187415 | Remote locating system for transmission faults in data transmission line having regenerative repeaters | Patrick E. Boutmy | 1980-02-05 |