Issued Patents 2018
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10071354 | Polycrystalline superhard material and method for making same | Cornelis Roelof Jonker, Roger William Nigel Nilen, Stig Ake Andersin | 2018-09-11 |
| 9975185 | Twist drill tips, precursor constructions for use in making same, and methods for making and using same | Robert Fries, John James Barry, Cornelis Roelof Jonker | 2018-05-22 |