Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6540888 | Mineral ionizing device | Marvin Robey | 2003-04-01 |
| 5267604 | Motion control system for horizontal continuous caster | Timothy J. McGrath | 1993-12-07 |
| 4800324 | Brush motor amplifier with overspeed protection | — | 1989-01-24 |