Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4963513 | Coal gasification cogeneration process | — | 1990-10-16 |
| 4946658 | Addition of pyritic materials to feed mix for desulfurization of phosphogypsum | George M. Lloyd, Jr. | 1990-08-07 |
| 4917024 | Coal fired power plant with pollution control and useful byproducts | G. Michael Lloyd | 1990-04-17 |
| 4865820 | Gas mixer and distributor for reactor | Michael Dunster, Joseph D. Korchnak | 1989-09-12 |
| 4744969 | Process for the conversion of coal and gypsum to valuable products | Timothy J. Kendron | 1988-05-17 |