Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4886117 | Inflatable well packers | — | 1989-12-12 |
DP
Dinesh R. Patel
Overall (1989): #120,214 of 140,708Top 90%
1
Patents 1989