Regular Post Written by MOCC 12 April 2019 Morriss O’Bryant Compagni Cannon obtains patent for Progress Mfg. Inc. Title: TRAILER HITCH SYSTEM Patent No.: 10,252,588 Share this:Click to share on Twitter (Opens in new window)Click to share on Facebook (Opens in new window)Click to share on Google+ (Opens in new window) Related Issued Patents 0