Regular Post Written by MOCC 26 September 2016 Morriss O’Bryant Compagni obtains patent for Weir Minerals Australia Ltd. Title: RELATING TO CENTRIFUGAL PUMP IMPELLERS Patent No.: 9,422,938 Save 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