Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8059381 | Method and apparatus for controlling a lifting magnet of a materials handling machine | — | 2011-11-15 |
| 8004814 | Method and apparatus for controlling a lifting magnet supplied with an AC source | Anthony Thompson | 2011-08-23 |
| 8000078 | Method and apparatus for controlling a lifting magnet supplied with an AC source | — | 2011-08-16 |
| 7697253 | Method and apparatus for controlling a lifting magnet of a materials handling machine | — | 2010-04-13 |