Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4528169 | Process to abate geothermal hydrogen sulfide | Chien-Cheng J. Shih | 1985-07-09 |
| 4357214 | Use of geothermal heat to recover alcohol and other valuable products | Raymond L. Zahradnik | 1982-11-02 |