Prem S. Sarin has been granted 6 US patents while listed as an inventor at Cel-Sci. The first was granted in 2000 and the most recent in September 2001. Prem S. Sarin ranks #779,687 of 4,157,543 US inventors in our database (top 18.8%). Patent records list Prem S. Sarin in Gaithersburg, MD, US.