Issued Patents 2017
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9708858 | Methods to repair worn or eroded PDC cutters, cutters so repaired, and use of repaired PDC cutters in drill bits or other tools | William W. King, Federico Bellin, Marvin Windsor Amundsen, Charles Daniel Johnson | 2017-07-18 |