Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8689908 | Drill bit having enhanced stabilization features and method of use thereof | Bala Durairajan, Carl M. Hoffmaster | 2014-04-08 |
| 8127863 | Drill bit having enhanced stabilization features and method of use thereof | Bala Durairajan, Carl M. Hoffmaster | 2012-03-06 |