Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4406762 | Electron beam coal desulfurization | Paul L. Feldman | 1983-09-27 |
| 4256464 | Process for desulfurization of coal | — | 1981-03-17 |
| 4256712 | Regenerable process for SO.sub.2 removal employing gelatinous aluminum hydroxide as absorbent | Richard S. Atkins | 1981-03-17 |