Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4182422 | Large diameter bit with bridge mounted drive stem | Thomas Youngblood, William C. Saxman | 1980-01-08 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4182422 | Large diameter bit with bridge mounted drive stem | Thomas Youngblood, William C. Saxman | 1980-01-08 |