Issued Patents 1982
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4333540 | Cutter element and cutter for rock drilling | John B. Cheatham, Jr. | 1982-06-08 |
WD
William H. Daniels
Overall (1982): #24,251 of 81,411Top 30%
1
Patents 1982