Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4701270 | Novel compositions suitable for treating deep wells | Joseph Mzik, Jean-Paul Richard | 1987-10-20 |
| 4448709 | Proppant concentrator | — | 1984-05-15 |
| 4374545 | Carbon dioxide fracturing process and apparatus | Allan T. Lillies | 1983-02-22 |
| 4241786 | Well tree saver | — | 1980-12-30 |