Issued Patents 1994
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5320807 | Test kits for determining the chemical stability of a compost sample | Mary D. Droffner | 1994-06-14 |
| 5309703 | Mobile apparatus for turning and aerating compost materials in a compost windrow | — | 1994-05-10 |