ALEXANDRIA, Va., March 19 -- United States Patent no. 12,254,721, issued on March 18, was assigned to UNITED STATES POSTAL SERVICE (Washington).

"Robotic vehicle inspection" was invented by Donald E. Crone (Frederick, Md.).

According to the abstract* released by the U.S. Patent & Trademark Office: "Techniques for inspecting a vehicle using a robot and a home base configured to be situated on a vehicle lot are presented. The robot has a vertical dimension that permits the robot to pass under a vehicle on the vehicle lot. The robot includes at least one sensor and is configured to perform actions including: receiving charging at the home base; traversing a distance from the home base to a vehicle present on the vehicle lot; determining an i...