It really doesn't matter... the case shown predates EPGL's patent and is prior art that was missed by (or not provided to) the examiner! Video date: Oct, 2013 EPGL patent: Filing date - Mar 25, 2015 Priority date - Mar 25, 2014 https://www.youtube.com/watch?v=gYsocUr_yEc&feature=youtu.be&list=UUTLSoRiTVoD6xNuv8YgyKRw