Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4874411 | Air filtering mechanism | Paul E. M. Snauwaert, Daniel C. Witdoek | 1989-10-17 |
GV
Geert Vergote
Overall (1989): #111,029 of 140,708Top 80%
1
Patents 1989