Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8967669 | Low floor vehicles for transporting passengers | Shawn Yopp, John Smyczak | 2015-03-03 |
| 8936275 | Retractable steps for low floor vehicles for transporting passengers | Shawn Yopp, John Smyczak | 2015-01-20 |
| 4583438 | Piercing unit with rotating head | — | 1986-04-22 |