Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12371263 | Vending track for pushable vehicle | Boerge Johan Svaeren, Christopher J. Rogney | 2025-07-29 |
| 8910951 | Caster wheel arrangements | Matthew C. Burk, Daniel Edwin Maleitzke | 2014-12-16 |
| 6244366 | Cart transporter | Paul F. Stephan | 2001-06-12 |
| 6237725 | Cart automatic brake mechanism | Gary Erickson | 2001-05-29 |
| 6041894 | Cart automatic brake mechanism | Gary Erickson | 2000-03-28 |
| D413550 | Cart tugger | Paul F. Stephan | 1999-09-07 |