Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4375403 | Solvent dewaxing process | Charles W. Harrison, Avilino Sequeira, Jr., John D. Begnaud | 1983-03-01 |
| 4354921 | Solvent dewaxing process | Charles W. Harrison | 1982-10-19 |
HP
Herbert J. Pitman
Overall (All Time): #2,361,541 of 4,157,543Top 60%
2
Patents All Time