Mark E. Zupec has been granted 8 US patents while listed as an inventor at G.D. Searle. The first was granted in 1997 and the most recent in October 2003. Mark E. Zupec ranks #600,572 of 4,157,543 US inventors in our database (top 14.4%). Patent records list Mark E. Zupec in O'Fallon, IL, US.