Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6745483 | Vehicle wheel toe-in alignment apparatus and method | Bruno Ariganello, Joseph S. Bonfoco, Rodger Bruce Grant, Todd Mc Cabe, David Murphy +1 more | 2004-06-08 |
| 4533108 | Drafting table attachment | David A. Willer, Daniel G. McCombs | 1985-08-06 |
| 4397221 | Regenerative valve | Henry Friesen | 1983-08-09 |
| 4355688 | Agricultural implement and depth control therefor | Nicholas Hamm | 1982-10-26 |