Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4853990 | Mechanical backlift | Ries B. Hansen, Andre W. Olivier | 1989-08-08 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4853990 | Mechanical backlift | Ries B. Hansen, Andre W. Olivier | 1989-08-08 |