Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7033485 | Coal tar and hydrocarbon mixture pitch production using a high efficiency evaporative distillation process | William E. Saver | 2006-04-25 |
| 5746906 | Coal tar pitch blend having low polycyclic aromatic hydrocarbon content and method of making thereof | William E. Saver | 1998-05-05 |