OP

Olga G. Petrovskaia

PO Ppg Industries Ohio: 1 patents #741 of 1,316Top 60%
UP University of Pennsylvania: 1 patents #1,260 of 2,719Top 50%
TO Transitions Optical: 1 patents #94 of 143Top 70%
📍 Philadelphia, PA: #1,263 of 4,834 inventorsTop 30%
🗺 Pennsylvania: #23,606 of 74,527 inventorsTop 35%
Overall (All Time): #1,604,314 of 4,157,543Top 40%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
6736998 Indeno-fused photochromic naphthopyrans Anil Kumar 2004-05-18
6296785 Indeno-fused photochromic naphthopyrans Clara M. Nelson, Anu Chopra, David B. Knowles, Barry Van Gemert, Anil Kumar 2001-10-02
6127189 Compositions and methods for detection of an amine compound in a fingerprint Madeleine M. Joullie, Diane Barbara Hauze 2000-10-03