PL

Peter T. Litak

ED Essilor International (Compagnie Generale D'Optique): 1 patents #310 of 693Top 45%
📍 Lansdowne, PA: #117 of 290 inventorsTop 45%
🗺 Pennsylvania: #30,495 of 74,527 inventorsTop 45%
Overall (All Time): #2,121,455 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
7713452 Compounds that absorb ultraviolet light, methods of their preparation and optical lenses containing them Joel M. Kauffman, Martin Rickwood 2010-05-11
5587112 Benzazole compounds with ESIPT fluorescence Joel M. Kauffman 1996-12-24