Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D1069669 | Tire changer mount head | Alexander R. Greenhill, Michael Olsen | 2025-04-08 |
| D1053708 | Tire changer press arm foot | Alexander R. Greenhill | 2024-12-10 |
| D1034726 | Tire changer operator control console | William J. Nelgner | 2024-07-09 |
| D711995 | Wave-board | — | 2014-08-26 |
| 6979030 | Golf car bumper | — | 2005-12-27 |
| 6732990 | Tray and cup holder combination | — | 2004-05-11 |
| D458084 | Tray and cup holder combination | — | 2002-06-04 |