Ray T. Townsend has been granted 60 US patents while listed as an inventor at Townsend Engineering. The first was granted in 1980 and the most recent in December 2007. Ray T. Townsend ranks #38,820 of 4,157,543 US inventors in our database (top 0.93%). Patent records list Ray T. Townsend in Des Moines, IA, US.