Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4803873 | Process for measuring flow and determining the parameters of multilayer hydrocarbon producing formations | — | 1989-02-14 |
CE
Christine Ehlig-Economides
Overall (1989): #126,657 of 140,708Top 95%
1
Patents 1989