Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4884635 | Enhanced oil recovery with a mixture of water and aromatic hydrocarbons | Alexander S. McKay, Philip Harris | 1989-12-05 |
DL
Declan B. Livesey
Overall (1989): #120,811 of 140,708Top 90%
1
Patents 1989