Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D549145 | Vehicle cab step | Daniel R Kieffer, Wayne K. Simons, Gerald Jay Angelo, Richard D Wailes, Jr., Jake Tyler Ferderer | 2007-08-21 |
| D549146 | Vehicle access step | Daniel R Kieffer, Wayne K. Simons, Gerald Jay Angelo, Richard D Wailes, Jr., Jake Tyler Ferderer | 2007-08-21 |