Issued Patents 2020
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10704335 | Polycrystalline diamond bodies having annular regions with differing characteristics | Andrew Gledhill, Alexanne Johnson | 2020-07-07 |
| 10695892 | PDC cutter with chemical addition for enhanced abrasion resistance | Andrew Gledhill, Valeriy Konovalov | 2020-06-30 |
| 10683706 | Polycrystalline diamond bodies having annular regions with differing characteristics | Andrew Gledhill, Alexanne Johnson | 2020-06-16 |