Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D526939 | Ball for trailer hitch | Marvin W. Sandberg | 2006-08-22 |
| 6932376 | Hitch tongue integrated safety fastener for ball and socket hitch | — | 2005-08-23 |
| 6802523 | Safety fastener for ball and socket hitch | — | 2004-10-12 |