https://www.uspto.gov/ http://patft.uspto.gov/netacgi/nph-Parser?Sect1=PTO2&Sect2=HITOFF&p=1&u=%2Fnetahtml%2FPTO%2Fsearch-bool.html&r=13&f=G&l=50&co1=AND&d=PTXT&s1=korec&OS=korec&RS=korec Date: Giu 4, 2019 AUTHOR: ayk8oRoad Map
