Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6723123 | Prosthetic heart valve | Lev Kazatchkov | 2004-04-20 |
| 6595743 | Hydraulic seal for rotary pumps | Lev Kazatchkov | 2003-07-22 |
| 6247892 | Continuous flow rotary pump | Lev Kazatchkov | 2001-06-19 |