Issued Patents 2019
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10232493 | Polycrystalline diamond cutting elements having non-catalyst material additions | Andrew Gledhill | 2019-03-19 |
| 10167675 | Polycrystalline diamond cutting elements having lead or lead alloy additions | Andrew Gledhill | 2019-01-01 |