Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4687645 | Composting unit | — | 1987-08-18 |
| 4442216 | Continuous enzymatic reactor for use of immobilized enzyme beads | Douglas G. Harvey, by Dolores C. Harvey, executrix | 1984-04-10 |
| 4342836 | Continuous anaerobic digestor system | — | 1982-08-03 |