Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4992179 | Metal recovery | James A. Brierley, Raymond F. Decker, George M. Goyak | 1991-02-12 |
| 4898827 | Metal recovery | James A. Brierley, Raymond F. Decker, George M. Goyak | 1990-02-06 |
| 4789481 | Metal recovery | James A. Brierley, Raymond F. Decker, George M. Goyak | 1988-12-06 |
| 4729788 | Thermophilic microbial treatment of precious metal ores | Stephen Hutchins, Michael S. Davidson, James A. Brierley | 1988-03-08 |
| 4690894 | Treatment of microorganisms with alkaline solution to enhance metal uptake properties | James A. Brierley, Raymond F. Decker, George M. Goyak | 1987-09-01 |