Issued Patents 1982
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4333540 | Cutter element and cutter for rock drilling | William H. Daniels | 1982-06-08 |
JJ
John B. Cheatham, Jr.
Overall (1982): #53,665 of 81,411Top 70%
1
Patents 1982