Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5468626 | Method for separating a sulfur compound from carbonaceous materials | Steven W. Johnson, Daniel J. Monticello, Phillip Gibbs | 1995-11-21 |
| 5244493 | Biometallurgical treatment of precious metal ores having refractory carbon content | James A. Brierley | 1993-09-14 |
| 5127942 | Microbial consortium treatment of refractory precious metal ores | James A. Brierley | 1992-07-07 |
| 5100800 | Microorganism for degrading toxic waste materials | Michael G. Johnston | 1992-03-31 |
| 4803166 | Microorganism for degrading toxic waste materials | Michael G. Johnston | 1989-02-07 |
| 4761376 | Facultatively anaerobic microorganism for degrading toxic waste materials | Stanley A. Sojka | 1988-08-02 |