Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5405593 | Leonardite char adsorbents | — | 1995-04-11 |
| 5254521 | Leonardite char adsorbents | — | 1993-10-19 |
| 5162050 | Low-rank coal oil agglomeration product and process | Ronald C. Timpe, Todd A. Potas, Raymond A. DeWall, Mark A. Musich | 1992-11-10 |
| 5032146 | Low-rank coal oil agglomeration | Ronald C. Timpe | 1991-07-16 |
| 4846963 | Ionic liquefaction process | John R. Rindt, Sylvia A. Farnum | 1989-07-11 |
| 4337142 | Continuous process for conversion of coal | Warrack G. Willson, Gene G. Baker, Everett A. Sondreal, Sylvia A. Farnum | 1982-06-29 |