Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6227314 | Inclined leg earth-boring bit | Glenn R. Zadrapa, Gregory L. Ricks, Robert E. Grimes, Kevin W. Schader | 2001-05-08 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6227314 | Inclined leg earth-boring bit | Glenn R. Zadrapa, Gregory L. Ricks, Robert E. Grimes, Kevin W. Schader | 2001-05-08 |