Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| H1910 | Rubber tired carrier | Ronald W. Clutter, Timothy Lynn Cooper | 2000-11-07 |
| 5998944 | Method and apparatus for controlling a lifting magnet of a materials handling machine | Ronald W. Clutter, Timothy Lynn Cooper, Charles A. Robinson | 1999-12-07 |
| 5977730 | Method and apparatus for controlling the flow of hydraulic fluid | Ronald W. Clutter, Timothy Lynn Cooper, Charles A. Robinson | 1999-11-02 |
| 5959416 | Method and apparatus for controlling a lifting magnet of a materials handling machine | Ronald W. Clutter, Timothy Lynn Cooper, Charles A. Robinson | 1999-09-28 |
| 5785139 | Cooling system mounting arrangement and method | Allan L. Freedy, Glenn W. Shields, Stephen D. Tiernan | 1998-07-28 |
| 4473809 | Lifting electromagnet | — | 1984-09-25 |
| 4323329 | Hydraulic-driven electro-lifting device | — | 1982-04-06 |