Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4276503 | Method and apparatus for servo-controlling a rotating workpiece | Jean Peiffert | 1981-06-30 |
| 4207462 | Line-trace read-out method and device for the servo-control of machine tools | Jean Peiffert | 1980-06-10 |
| 4204146 | Servo-control method and device | Jean Peiffert | 1980-05-20 |
| 4194616 | Helical conveyors | Louis Barthelemy | 1980-03-25 |