Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8100427 | Pin box assembly for trailer | Robert F. Mater, Jr. | 2012-01-24 |
| 7997608 | Pin box assembly for trailer | Robert F. Mater, Jr. | 2011-08-16 |
| 7712761 | Extension coupling for interconnecting trailer and tow hitch | Robert F. Mater, Jr. | 2010-05-11 |
| 7530591 | Pin box assembly for trailer | Robert F. Mater, Jr. | 2009-05-12 |