Issued Patents 1982
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4353226 | Adjustable torsion-spring slipping clutch | Johannes F. Hoefnagels | 1982-10-12 |
HR
Henricus M. Ruyten
Overall (1982): #59,432 of 81,411Top 75%
1
Patents 1982