Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4488136 | Combination transformer with common core portions | Irvin L. Hansen | 1984-12-11 |
| 4375627 | Transformer tank panel neutral connection with reverse current shielding conductors | Irvin L. Hansen | 1983-03-01 |