Issued Patents 2020
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10871050 | Nano-thermite well plug | Casey Hirschmann, Randall S. Shafer | 2020-12-22 |
| 10760374 | Tool for metal plugging or sealing of casing | Casey Hirschmann, Randall S. Shafer, Stewart M. Robertson, Dan Mueller | 2020-09-01 |