Randall W. Holt has been granted 3 US patents while listed as an inventor at Xoft. The first was granted in 1993 and the most recent in March 2014. Randall W. Holt ranks #1,328,092 of 4,157,543 US inventors in our database (top 31.9%). Patent records list Randall W. Holt in Cleveland, OH, US.