Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4800957 | Recovering hydrocarbons with a mixture of carbon dioxide and alcohol | James F. Stevens | 1989-01-31 |
JH
Jeffrey T. Hawkins
Overall (1989): #98,004 of 140,708Top 70%
1
Patents 1989