Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4472172 | Arc gasification of coal | Charles Sheer, Thomas J. Dougherty | 1984-09-18 |
| 4181704 | Process for the removal of sulfurous gases from the emissions of chemical processes | Charles Sheer, Gerson S. Schaffel | 1980-01-01 |