ALEXANDRIA, Va., March 19 -- United States Patent no. 12,252,276, issued on March 18.

"Payload delivery systems for aerial vehicles" was invented by John David Franz Jr. (McAllen, Texas).

According to the abstract* released by the U.S. Patent & Trademark Office: "Systems and methods for delivering payloads are described. In some embodiments, a system may include a tether, a release wire, and a coupling. The system may have a first state and a second state. In the first state, a portion of the coupling may extend through an opening in the tether and engage the release wire. In the second state, the release wire may not engage the portion of the coupling such that the portion of the coupling can pass freely through the opening in the tether...