Sarma VGK Pingali has been granted 7 US patents while listed as an inventor at AT&T. The first was granted in 1998 and the most recent in June 2004. Sarma VGK Pingali ranks #680,018 of 4,157,543 US inventors in our database (top 16.4%). Patent records list Sarma VGK Pingali in Red Bank, NJ, US.