ALEXANDRIA, Va., June 9 -- United States Patent no. 12,285,854, issued on April 29, was assigned to NEUBILITY INC. (Seoul, South Korea).
"Delivery robot" was invented by Sang Min Lee (Seoul, South Korea).
According to the abstract* released by the U.S. Patent & Trademark Office: "A delivery robot includes: an inner box provided with a receiving space whose upper part is opened; a hinge bracket fixed to one side of the inner box; an actuator placed on one side of the inner box and configured to lift the rod up and down; a rail arranged vertically outside the inner box; a cover assembly partially connected to the rod, installed on the hinge bracket, and configured to rotate around a first axis according to a lifting operation of the rod to ...