Issued Patents 2017
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9605485 | Percussion drilling assembly and hammer bit with gage and outer row reinforcement | Shantanu N. Swadi, Charles H. Dewey, Alan J. Marshall | 2017-03-28 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9605485 | Percussion drilling assembly and hammer bit with gage and outer row reinforcement | Shantanu N. Swadi, Charles H. Dewey, Alan J. Marshall | 2017-03-28 |