Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4225541 | Contact tray for mass and heat exchange apparatus | Valery I. Vaschuk, Gennady V. Starikov, Gennady P. Solomakha, Oleg S. Chekhov, Nikolai G. Shmuilov +1 more | 1980-09-30 |