Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8709122 | Biochar production method and composition therefrom | James Weifu Lee, Barbara R. Evans, Michelle K. Kidder | 2014-04-29 |
| 8398738 | Biochar production method and composition therefrom | James Weifu Lee, Barbara R. Evans, Michelle K. Kidder | 2013-03-19 |
| 4364510 | Filling valve for a bag or other container | — | 1982-12-21 |