Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D302877 | Vacuum cleaner | Jan F. Van Asten | 1989-08-15 |
GS
Gerrit-Jan Van Surksum
Overall (1989): #111,041 of 140,708Top 80%
1
Patents 1989