Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4799139 | Voltage regulation for three-phase inverters | Matti Kahkipuro, Urpo Sten, Pekka Nummi | 1989-01-17 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4799139 | Voltage regulation for three-phase inverters | Matti Kahkipuro, Urpo Sten, Pekka Nummi | 1989-01-17 |