Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8444724 | Upright gasifier | Steven L. Douglas, David L. Breton, Steven E. Chichester | 2013-05-21 |
| 8211191 | Upright gasifier | Steven L. Douglas, David L. Breton, Steven E. Chichester | 2012-07-03 |