OS

Olga Sirovskaya

AF American Dental Association Foundation: 2 patents #4 of 14Top 30%
🗺 California: #185,134 of 386,348 inventorsTop 50%
Overall (All Time): #2,044,656 of 4,157,543Top 50%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
8657645 Methods for testing the polishability of materials Nikola Njegovan, Spiro Megremis, Hank Shepelak 2014-02-25
8398454 Apparatus for testing the polishability of materials Nikola Njegovan, Spiro Megremis, Hank Shepelak 2013-03-19