Issued Patents 1989
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4880542 | Biofilter for the treatment of sour water | — | 1989-11-14 |
| 4879240 | Microbial control of hydrogen sulfide production by sulfate reducing bacteria | Maron E. Woolsey, Francis S. Manning, Anne D. Montgomery, Michael J. McInerney | 1989-11-07 |
| 4859588 | Production of a single cell protein | — | 1989-08-22 |
| 4804453 | Resolution of emulsions with multiple electric fields | Floyd L. Prestridge | 1989-02-14 |