Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4852069 | Thin bed evaluation device | Brent Hans Larson | 1989-07-25 |
EC
Edward A. Clerke
Overall (1989): #118,257 of 140,708Top 85%
1
Patents 1989