Issued Patents 1982
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4330738 | Method and apparatus for controlling the frequency of vibration imparted to the ground by a compacting machine | Francois Degraeve | 1982-05-18 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4330738 | Method and apparatus for controlling the frequency of vibration imparted to the ground by a compacting machine | Francois Degraeve | 1982-05-18 |