Issued Patents All Time
Showing 26–27 of 27 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4387015 | Coal liquefaction quenching process | Chung-Liang Yeh, Ernest E. Donath | 1983-06-07 |
| 4222756 | Tonnage nitrogen generator | — | 1980-09-16 |
RT
Robert M. Thorogood
International Coal Refining: 4 patents #2 of 33Top 7%
The Boc Group Limited: 4 patents #90 of 612Top 15%
Overall (All Time): #148,127 of 4,157,543Top 4%
27
Patents All Time