Issued Patents 1982
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4329428 | Methane production from and beneficiation of anaerobic digestion of plant material and organic waste | Donald L. Klass | 1982-05-11 |
| 4323367 | Gas production by accelerated in situ bioleaching of landfills | — | 1982-04-06 |
| 4318993 | Two phase anaerobic digester system | Donald L. Klass | 1982-03-09 |
| 4316961 | Methane production by anaerobic digestion of plant material and organic waste | Donald L. Klass | 1982-02-23 |
| 4314904 | Anaerobic digestion of waste and biomass by use of lactobacillus culture additives | Paul A. Fedde, Michael P. Henry, Donald L. Klass | 1982-02-09 |