Roger G. Ptak

University of Michigan: 1 patents #42 of 189Top 25%

WU Wayne State University: 1 patents #6 of 42Top 15%

📍 New Market, MD: #1 of 3 inventorsTop 35%

🗺 Maryland: #462 of 2,094 inventorsTop 25%

Overall (2005): #110,857 of 245,428Top 50%

Patents 2005

Issued Patents 2005

Showing 1–1 of 1 patents

Patent #	Title	Co-Inventors	Date
6958345	2-hydroxymethylcyclopropylidene methylpurines and -pyrimidines as antiviral agents	Jiri Zemlicka, Yao-Ling Qiu, John C. Drach	2005-10-25