Laurence E. Bays has been granted 9 US patents while listed as an inventor at AT&T. The first was granted in 1988 and the most recent in June 2007. Laurence E. Bays ranks #535,341 of 4,157,543 US inventors in our database (top 12.9%). Patent records list Laurence E. Bays in Whitehall, PA, US.