Issued Patents 2021
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10907417 | Polycrystalline diamond chisel type insert for use in percussion drill bits even for use in large hole percussion drilling of oil wells | — | 2021-02-02 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10907417 | Polycrystalline diamond chisel type insert for use in percussion drill bits even for use in large hole percussion drilling of oil wells | — | 2021-02-02 |