Issued Patents 2022
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11326086 | Drilling fluid for downhole electrocrushing drilling | William Walter Shumway | 2022-05-10 |
| 11319475 | Drilling fluid for downhole electrocrushing drilling | William Walter Shumway | 2022-05-03 |