Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4864213 | DC supply having low and high constant voltages for powering a polarity inverter controller | — | 1989-09-05 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4864213 | DC supply having low and high constant voltages for powering a polarity inverter controller | — | 1989-09-05 |