Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4778585 | Two-stage pyrolysis of coal for producing liquid hydrocarbon fuels | — | 1988-10-18 |
| 4247313 | Gas-particulate separator with pulse-jet cleanable filter elements | Marney Dunman Perry, Jr. | 1981-01-27 |