Terrence Eugene Sheflin has been granted 4 US patents while listed as an inventor at Dundas Data Visualization. The first was granted in 2014 and the most recent in April 2019. Terrence Eugene Sheflin ranks #1,080,739 of 4,157,543 US inventors in our database (top 26.0%). Patent records list Terrence Eugene Sheflin in Powell River, BC, CA.