Larry D. Barker has been granted 11 US patents while listed as an inventor at Burcon Nutrascience (Mb). The first was granted in 1980 and the most recent in June 2014. Larry D. Barker ranks #435,149 of 4,157,543 US inventors in our database (top 10.5%). Patent records list Larry D. Barker in Cobourg, ON, CA.