Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5558368 | Chassis structure | John Robert Cerny, Jr., Mohamad S. El-Zein, Richard Curry, Harold Eugene Krause | 1996-09-24 |
| D365572 | Vehicle chassis | John Robert Cerny, Jr., Mohamad S. El-Zein, Richard Curry, Harold Eugene Krause | 1995-12-26 |
| 5005597 | Street cleaning device for collecting leaves and debris | Myron L. McCunn, David C. Winter, Dennis L. Marchael, James W. Hall, Ronald E. Rohren | 1991-04-09 |
| D311921 | Off-road utility vehicle for lawn care | James W. Hall, William E. Crookes, Kevin F. Thompson | 1990-11-06 |
| 4884994 | Axial flow rotary separator | James W. Hall, Josef W. Klimmer, Neil L. West, Loren W. Peters | 1989-12-05 |
| 4611605 | Axial flow rotary separator | James W. Hall, Daniel L. Leemans | 1986-09-16 |
| 4611606 | Feeding arrangement for an axial flow rotary separator | James W. Hall | 1986-09-16 |