Issued Patents 2019
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10184296 | Drilling system with flow control valve | Nobuyoshi Niina | 2019-01-22 |
OP
Oleg Polyntsev
Overall (2019): #323,142 of 560,194Top 60%
1
Patents 2019