Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4819724 | Modified push/pull flood process for hydrocarbon recovery | Sami Bou-Mikael, Donald L. Hoyt | 1989-04-11 |
RA
Robert B. Alston
Overall (1989): #64,835 of 140,708Top 50%
1
Patents 1989