Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4907665 | Cast steel rock bit cutter cones having metallurgically bonded cutter inserts | Naresh J. Kar, William J. Salesky | 1990-03-13 |
| 4683781 | Cast steel rock bit cutter cones having metallurgically bonded cutter inserts, and process for making the same | Nareshchandra J. Kar, William J. Salesky | 1987-08-04 |