Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4843532 | Regulating pulse width modulator for power supply with high speed shutoff | — | 1989-06-27 |
DF
David Freedman
Overall (1989): #123,247 of 140,708Top 90%
1
Patents 1989