Issued Patents 2003
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6629421 | Method of and an apparatus for a self-governing pulse feeding refrigerant | Mikhail Levitin | 2003-10-07 |
| 6622929 | Steam heating system | Mikhail Levitin | 2003-09-23 |
| 6565744 | Waste water cleaning system | Mikhail Levitin | 2003-05-20 |
| 6543241 | Refrigerant feed device | Mikhail Levitin | 2003-04-08 |