RP

Roger G. Ptak

University of Michigan: 3 patents #689 of 4,352Top 20%
WU Wayne State University: 3 patents #89 of 622Top 15%
📍 New Market, MD: #27 of 85 inventorsTop 35%
🗺 Maryland: #10,129 of 35,612 inventorsTop 30%
Overall (All Time): #1,601,032 of 4,157,543Top 40%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
6958345 2-hydroxymethylcyclopropylidene methylpurines and -pyrimidines as antiviral agents Jiri Zemlicka, Yao-Ling Qiu, John C. Drach 2005-10-25
6790841 2-hydroxymethylcyclopropylidenemethylpurines and -pyrimidines as antiviral agents Jiri Zemlicka, Yao-Ling Qiu, John C. Drach 2004-09-14
6352991 2-hydroxymethylcyclopropylidenemethylpurines and -pyrimidines as antiviral agents Jiri Zemlicka, Yao-Ling Qiu, John C. Drach 2002-03-05