Kenneth E. Volpert has been granted 4 US patents while listed as an inventor at Vanguard Group. The first was granted in 2008 and the most recent in May 2012. Kenneth E. Volpert ranks #1,080,739 of 4,157,543 US inventors in our database (top 26.0%). Patent records list Kenneth E. Volpert in Conshohocken, PA, US.