Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5728291 | Demetallation - high carbon conversion process, apparatus and asphalt products | Charles Benjamin Miller, Howard F. Moore, David P. Wesley, Robert H. Wombles, Carlton H. Jewitt +2 more | 1998-03-17 |
| 5601697 | Demetallation-High carbon conversion process, apparatus and asphalt products | Charles Benjamin Miller, Howard F. Moore, David P. Wesley, Robert H. Wombles, Carlton H. Jewitt +2 more | 1997-02-11 |
| 4659389 | Method and composition of asphaltic roofing fluxes | Robert H. Wombles, Donald D. Carlos | 1987-04-21 |
| 4544411 | Method and composition of asphaltic roofing fluxes | Robert H. Wombles, Donald D. Carlos | 1985-10-01 |
| 4456523 | Processes for producing high grade asphaltic materials from low grade bituminous materials and products resulting therefrom | Donald D. Carlos, Robert H. Wombles | 1984-06-26 |
| 4456524 | Process for enhancing catalytic response of asphalt oxidation catalyst | Robert H. Wombles, Donald D. Carlos | 1984-06-26 |
| 4307052 | Process for carbon electrode manufacture | William R. Sawran | 1981-12-22 |
| 4218305 | Extrusion oil composition for carbon electrode manufacture | William R. Sawran | 1980-08-19 |