Sonja Lea Yonak has been granted 10 US patents while listed as an inventor at Master Supplements. The first was granted in 2012 and the most recent in October 2016. Sonja Lea Yonak ranks #481,000 of 4,157,543 US inventors in our database (top 11.6%). Patent records list Sonja Lea Yonak in Prior Lake, MN, US.