Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4864266 | High-voltage winding for core-form power transformers | Paul W. Martincic, Richard Holm, Richard E. Thompson | 1989-09-05 |
| 4859978 | High-voltage windings for shell-form power transformers | Ramsis S. Girgis, Leach S. McCormick, Andreas M. Sletten | 1989-08-22 |