Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D420773 | Portable cold water pressure washer | Gregory J. Hillary | 2000-02-15 |
| D375590 | Portable cold water pressure washer | Eric E. Steinhart | 1996-11-12 |
| 5494414 | Vertical shaft pressure washer coupling assembly | Eric E. Steinhart | 1996-02-27 |