Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4846963 | Ionic liquefaction process | Curtis L. Knudson, John R. Rindt | 1989-07-11 |
| 4337142 | Continuous process for conversion of coal | Curtis L. Knudson, Warrack G. Willson, Gene G. Baker, Everett A. Sondreal | 1982-06-29 |