Regular Post Written by MOCC 2 August 2017 Morriss O’Bryant Compagni obtains patent for Envirotech Pumpsystems, Inc. Title: PRESSURE REDUCING ROTOR ASSEMBLY FOR A PUMP Patent No.: 9,719,516 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