Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5958214 | Electrochemical sensor with a solid electrolyte for measuring the gas concentration | — | 1999-09-28 |
| 5730918 | Compacted activated charcoal filter material | Natalia W. Maltzeva, Elena W. Loseva, Evgenia B. Koroljeva | 1998-03-24 |
| 5656069 | Selective carbon filter | Natalia W. Maltzeva, Elena W. Loseva, Evgenia B. Koroljeva | 1997-08-12 |
| 5538620 | Electrochemical sensor with which to measure gas concentrations | — | 1996-07-23 |