Issued Patents 2011
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7947484 | Method, a device, and an additive for digesting organic matter | — | 2011-05-24 |
| 7927848 | Method and apparatus for production of biogas from an organic material | Stig Holm, Bertil Carlson | 2011-04-19 |