Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5622644 | Mixed gas R-12 refrigeration apparatus | Richard Stevenson, Boris Yudin, Oleg N. Podcherniev | 1997-04-22 |
| 5441658 | Cryogenic mixed gas refrigerant for operation within temperature ranges of 80.degree.K- 100.degree.K | Boris Yudin, Victor I. Mogorychny, Larry Klusmier | 1995-08-15 |
| 5425890 | Substitute refrigerant for dichlorodifluoromethane refrigeration systems | Boris Yudin, Richard Stevenson, Oleg N. Podcherniev | 1995-06-20 |