Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5993771 | Tetrathiocarbonate continuous process | Charles F. Wong | 1999-11-30 |
| 5397557 | Tetrathiocarbonate batch process | Charles F. Wong | 1995-03-14 |
| 4407366 | Method for gas capping of idle geothermal steam wells | William C. Lieffers | 1983-10-04 |