Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5225673 | Apparatus for measuring the time-integrated volume specific activities and the potential alpha energy of radon and thoron daughters in the air | Dobromir S. Pressianov, Metodi G. Geilev | 1993-07-06 |