Issued Patents 1994
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5291807 | Patterned hardfacing shapes on insert cutter cones | Alan D. Huffstutler | 1994-03-08 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5291807 | Patterned hardfacing shapes on insert cutter cones | Alan D. Huffstutler | 1994-03-08 |