Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4849681 | Battery-powered device | Geert J. Bosscha | 1989-07-18 |
RS
Robert-Han Munnig Schmidt
Overall (1989): #61,960 of 140,708Top 45%
1
Patents 1989