Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4928760 | Downhole coupon holder | — | 1990-05-29 |
EF
Elizabeth A. Freitas
Overall (All Time): #3,903,760 of 4,157,543Top 95%
1
Patents All Time