Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7419606 | Selenium removal process | Marvin M. Johnson, Charles J. Lord, III, Larry E. Reed, Kenneth C. McCarley, Glenn W. Dodwell +2 more | 2008-09-02 |
| 5501977 | Biofilter comprising leonardite, clay and lime | — | 1996-03-26 |
| 5378280 | Composition comprising leonardite, clay and lime and process therewith | — | 1995-01-03 |
| 4795708 | Novel backteria and single cell protein production therewith | George T. Sperl | 1989-01-03 |