ALEXANDRIA, Va., March 31 -- United States Patent no. 12,589,407, issued on March 31, was assigned to PRC-DeSoto International Inc. (Sylmar, Canada).
"Applicators for high viscosity materials" was invented by Shane Xiufeng Peng (Valencia, Calif.), Yong Han Yeong (Valley Village, Calif.), Dillon Schiff (Philadelphia) and Bruce Virnelson (Huntersville, N.C.).
According to the abstract* released by the U.S. Patent & Trademark Office: "Coating applicators for applying high viscosity coatings to large area surfaces are disclosed. The coating applicators facilitate the ability to apply high viscosity materials over large areas at high speed with minimal air entrapment to provide coatings having a controlled thickness."
The patent was filed on ...