Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4805450 | Method of locating hydrocarbon producing strata and the instrument therefor | Paul D. Schettler, Todd D. Gustafson | 1989-02-21 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4805450 | Method of locating hydrocarbon producing strata and the instrument therefor | Paul D. Schettler, Todd D. Gustafson | 1989-02-21 |