Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4887007 | DC-AC converter for supplying a gas and/or vapour discharge lamp | Henri A. I. Melai | 1989-12-12 |
| 4881012 | Switching arrangement | — | 1989-11-14 |
AA
Antonius F. J. Almering
Overall (1989): #31,240 of 140,708Top 25%
2
Patents 1989