Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10876048 | Beneficiation of hydrocarbons from mineral matrices | James P. Yates, William E. Hahn | 2020-12-29 |
| 6991189 | Process for micronizing materials | William E. Hahn | 2006-01-31 |
| 6889471 | Polyacrylamide suspensions for soil conditioning | Arthur Wallace | 2005-05-10 |
| 6726133 | Process for micronizing materials | William E. Hahn | 2004-04-27 |
| 6669752 | Small particle polyacrylamide for soil conditioning | Arthur Wallace | 2003-12-30 |
| 6405948 | Liberating intracellular matter from biological material | William E. Hahn | 2002-06-18 |
| 6395051 | Small particle polyacrylamide for soil conditioning | Arthur Wallace | 2002-05-28 |
| 6227473 | Apparatus and methods for pulverizing materials into small particles | — | 2001-05-08 |
| 6135370 | Apparatus and methods for pulverizing materials into small particles | — | 2000-10-24 |