Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4857852 | Induction well logging apparatus with transformer coupled phase sensitive detector | Robert L. Kleinberg, Brian Clark, Weng C. Chew | 1989-08-15 |
DM
David Mariani
Overall (1989): #122,453 of 140,708Top 90%
1
Patents 1989