Issued Patents 2019
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10487652 | Downhole sampling tool with check valve piston | Marius Smarandache, Sebastien Ives, Malcolm Atkinson | 2019-11-26 |
DG
Douglas W. Grant
Overall (2019): #483,813 of 560,194Top 90%
1
Patents 2019