Lowell E. Blankenship has been granted 4 US patents while listed as an inventor at Comcast. The first was granted in 1992 and the most recent in April 2003. Lowell E. Blankenship ranks #1,080,739 of 4,157,543 US inventors in our database (top 26.0%). Patent records list Lowell E. Blankenship in Athens, AL, US.