Seymour R. Cray has been granted 12 US patents while listed as an inventor at Cray Computer. The first was granted in 1986 and the most recent in September 1994. Seymour R. Cray ranks #396,045 of 4,157,543 US inventors in our database (top 9.5%). Patent records list Seymour R. Cray in Chippewa Falls, WI, US.