Issued Patents 1982
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4341273 | Rotary bit with jet nozzles | Bruce H. Walker | 1982-07-27 |
RF
Robijn Feenstra
Overall (1982): #35,034 of 81,411Top 45%
1
Patents 1982