Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5044043 | Speed and steering control for a floor maintenance machine | Michael T. Basham, Robert M. Berdahl | 1991-09-03 |
| 4709771 | Speed and steering control for a floor maintenance machine | Michael T. Basham, Robert M. Berdahl | 1987-12-01 |