Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4466621 | Rotary drill bit multiple seal assembly | Lloyd L. Garner, Dwight A. Rife | 1984-08-21 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4466621 | Rotary drill bit multiple seal assembly | Lloyd L. Garner, Dwight A. Rife | 1984-08-21 |