Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4857878 | Modular high frequency power transformer | Margaret E. Winsor | 1989-08-15 |
| 4847547 | Battery charger with Vbe temperature compensation circuit | — | 1989-07-11 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4857878 | Modular high frequency power transformer | Margaret E. Winsor | 1989-08-15 |
| 4847547 | Battery charger with Vbe temperature compensation circuit | — | 1989-07-11 |