ALEXANDRIA, Va., Jan. 13 -- United States Patent no. 12,522,353, issued on Jan. 13, was assigned to Kitty Hawk Corp. (Palo Alto, Calif.).

"Attachment sub-systems for vertically-stacked multicopters" was invented by Benjamin Otto Berry (Mountain View, Calif.), Graham Bowen-Davies (San Jose, Calif.), Madeline Elliott Parker (San Francisco), Cameron Robertson (San Mateo, Calif.) and Christopher Scott Saunders (San Jose, Calif.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A plurality of vertically-stacked multicopters detachably couples to a vertical connector to transport a load that is detachably coupled to the vertical connector. In the event an indication signal of a beam break sensor indicates the vertica...