Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4936996 | Method of processing biodegradable organic material | — | 1990-06-26 |
| 4321141 | Method for processing waste | — | 1982-03-23 |
| 4286061 | Method for continuous culturing of microbes | Robert A. Oppermann, Lynn Bernard Simpson, Milton M. Takeguchi | 1981-08-25 |
| 4246349 | Stabilization of immobilized bacteria | Robert A. Oppermann, William S. Ramsey, Milton M. Takeguchi | 1981-01-20 |