Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4977372 | Tachometer device having limiting means for limiting frequency variations | Pierre Roussel | 1990-12-11 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4977372 | Tachometer device having limiting means for limiting frequency variations | Pierre Roussel | 1990-12-11 |