Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9878064 | Air disinfection method and a device for implementation thereof | Elena Vladimirovna Volodina | 2018-01-30 |
| 5474600 | Apparatus for biological purification and filtration of air | Elena Vladimirovna Volodina | 1995-12-12 |