Issued Patents 1982
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4359898 | Weight-on-bit and torque measuring apparatus | Larry J. Leising | 1982-11-23 |
DT
Denis R. Tanguy
Overall (1982): #69,407 of 81,411Top 90%
1
Patents 1982