Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D375065 | Hitch ball | Mark E. Duvernay, Robert F. Mater, Jr. | 1996-10-29 |
| 4815752 | Lift unit for weight distributing trailer hitch | David A. Young | 1989-03-28 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D375065 | Hitch ball | Mark E. Duvernay, Robert F. Mater, Jr. | 1996-10-29 |
| 4815752 | Lift unit for weight distributing trailer hitch | David A. Young | 1989-03-28 |