Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5177415 | Apparatus and method for controlling a vibratory tool | Alain Quibel, Michel M. Aubourg, Michel H. Froumentin | 1993-01-05 |
| 5164641 | Apparatus and method for controlling the frequency of vibration of a compacting machine | Alain Quibel, Michel M. Aubourg, Michel H. Froumentin | 1992-11-17 |
| 4216838 | Compacting apparatus for road surfacing material | Francois Degraeve, Jean-Pierre E. Lecoeur | 1980-08-12 |