JACKSONVILLE, Florida, July 23 (TNSRes) -- The University of North Florida issued the following news release: Dr. Steve Stagon, University of North Florida mechanical engineering associate professor, has received a U.S. patent for a tool that will revolutionize manufacturing, a 3D printing injection mold tool with improved heat transfer and mechanical strength. This coating technology can save manufacturing businesses time, money and reduce plastic waste. Stagon invented a printing mold that i  more