Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4845792 | Two-part adjustable approach ramp | Gerald R. Bakula, Andrzej J. Dlugolecki | 1989-07-11 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4845792 | Two-part adjustable approach ramp | Gerald R. Bakula, Andrzej J. Dlugolecki | 1989-07-11 |