Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4263021 | Gas-liquid contact system | William Downs, Edward A. Pirsh, Jack F. Stewart | 1981-04-21 |
| 4239996 | Potassium carbonate recovery | Rohinton K. Bhada, Howard B. Lange | 1980-12-16 |