Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4845433 | Apparatus for microinductive investigation of earth formations | Robert L. Kleinberg, Weng C. Chew, Brian Clark | 1989-07-04 |
DD
Donald G. Dudley
Overall (1989): #119,747 of 140,708Top 90%
1
Patents 1989