Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4275988 | Axial or worm-type centrifugal impeller pump | Leonid F. Kalashnikov, Georgy M. Kushnir, Anatoly S. Shapiro, Rjury I. Konstantinov, Vadim V. Nikolaev +1 more | 1981-06-30 |