ALEXANDRIA, Va., Feb. 17 -- United States Patent no. 12,551,809, issued on Feb. 17.
"Active aerial descent devices and systems" was invented by Elizabeth Mary Richter (Atlanta), Elizabeth Anastasia Stinespring (Atlanta) and Matthew Lawson Braun (Atlanta).
According to the abstract* released by the U.S. Patent & Trademark Office: "Various implementations include aerial descent devices including a body, at least two arms, and at least two propellers. The body includes a first disc piece, a second disc piece, and a core disposed between and coupling the first disc piece to the second disc piece. The at least two arms each have a first end and a second end, and the at least two propellers are coupled to the second end of each of the at least ...