ALEXANDRIA, Va., June 25 -- United States Patent no. 12,340,336, issued on June 24, was assigned to UNITED STATES POSTAL SERVICE (Washington).

"Robotic delivery system" was invented by William A. Tartal (Baltimore) and Gabriel M. Yessin (Arlington, Va.).

According to the abstract* released by the U.S. Patent & Trademark Office: "Techniques for automatically providing a package for pickup are presented. The techniques can include: receiving, at a publicly-accessible terminal, a code associated with the package; validating the code with data in a database communicatively coupled to the terminal; retrieving, by a robot communicatively coupled to the publicly-accessible terminal, the package from a publicly-inaccessible package staging site; ...