Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7267355 | Anti-rotational hitch ball | Christopher R. Irgens, Frank Scott, John Zapushek, Rolf Hohmann, Mark Van Handel +1 more | 2007-09-11 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7267355 | Anti-rotational hitch ball | Christopher R. Irgens, Frank Scott, John Zapushek, Rolf Hohmann, Mark Van Handel +1 more | 2007-09-11 |