Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4802359 | Tool for measuring pressure in an oil well | — | 1989-02-07 |
CP
Corjon Patrice
Overall (1989): #36,462 of 140,708Top 30%
1
Patents 1989