Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4860189 | Full bridge power converter circuit | — | 1989-08-22 |
LH
Leonard J. Hitchcock
Overall (1989): #84,009 of 140,708Top 60%
1
Patents 1989