Issued Patents All Time
Showing 26–28 of 28 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4336130 | Desulfurization of hydrocarbons | John W. Ward | 1982-06-22 |
| 4260471 | Process for desulfurizing coal and producing synthetic fuels | — | 1981-04-07 |
| 4233034 | Desulfurization of coal | Mark J. Anderson | 1980-11-11 |