ALEXANDRIA, Va., Feb. 3 -- United States Patent no. 12,539,626, issued on Feb. 3, was assigned to Nimble Robotics Inc. (San Francisco).

"Pick and place robot with inventory drop guard" was invented by Matthew Shekels (Daly City, Calif.) and Simon Kalouche (San Francisco).

According to the abstract* released by the U.S. Patent & Trademark Office: "A mobile robot provided with a drop guard. The robot includes a body coupled to a wheel assembly having a plurality of wheels and a drive mechanism arranged to move the body about a top of a storage frame along a first set of parallel rails extending in a first direction and a second set of parallel rails extending in a second direction perpendicular to the first direction. The robot includes a p...