Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4207946 | Tertiary recovery process | Warren C. Haltmar | 1980-06-17 |
EL
Elsa S. Lacey
Overall (All Time): #4,113,899 of 4,157,543Top 100%
1
Patents All Time