ALEXANDRIA, Va., Nov. 25 -- United States Patent no. 12,479,161, issued on Nov. 25, was assigned to NISSAN NORTH AMERICA INC. (Franklin, Tenn.) and NORTHWESTERN UNIVERSITY (Evanston, Ill.).
"Three-dimensional printer apparatus with integrated lubricant replenishment system" was invented by Nanzhu Zhao (Novi, Mich.), Evan Jones (Evanston, Ill.), Sandeep Patil (Farmington Hills, Mich.) and Cheng Sun (Wilmette, Ill.).
According to the abstract* released by the U.S. Patent & Trademark Office: "A three-dimensional printing system is provided that includes a tank, a textured substrate connected to the tank, and a reservoir. The tank contains a liquid photopolymer resin. The textured substrate is configured to allow light to pass through into th...