Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4775263 | Arrangement for operating a self-propelled vibratory plate device and method for using said arrangement | Gert Persson | 1988-10-04 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4775263 | Arrangement for operating a self-propelled vibratory plate device and method for using said arrangement | Gert Persson | 1988-10-04 |