Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4443759 | Magnetizing current supply for magnetic particle inspection with SCR's connected to three-phase secondary windings for rectification and control | Ralph W. Gruetzmacher, Kenneth W. Schroeder | 1984-04-17 |