Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4815752 | Lift unit for weight distributing trailer hitch | David A. Young | 1989-03-28 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4815752 | Lift unit for weight distributing trailer hitch | David A. Young | 1989-03-28 |