Issued Patents All Time
Showing 51–56 of 56 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6199645 | Engineered enhanced inserts for rock drilling bits | Nathan R. Anderson, J. Daniel Belnap, Chris E. Cawthorne, Madapusi K. Keshavan, Per Ivar Nese +2 more | 2001-03-13 |
| 6193001 | Method for forming a non-uniform interface adjacent ultra hard material | Madapusi K. Keshavan | 2001-02-27 |
| 6041875 | Non-planar interfaces for cutting elements | Ghanshyam Rai, Nathan R. Anderson | 2000-03-28 |
| 5887580 | Cutting element with interlocking feature | — | 1999-03-30 |
| 5868885 | Manufacture of cutting tools | Ronald B. Crockett, Scott M. Packer, Richard L. Dixon, Nathan R. Anderson, Madapusi K. Keshavan +1 more | 1999-02-09 |
| 5766394 | Method for forming a polycrystalline layer of ultra hard material | Nathan R. Anderson, Madapusi K. Keshavan, Ghanshyam Rai | 1998-06-16 |