ALEXANDRIA, Va., Sept. 3 -- United States Patent no. 12,404,053, issued on Sept. 2, was assigned to INNOTEC LIGHTWEIGHT ENGINEERING & POLYMER TECHNOLOGY GMBH (Goslar, Germany).

"Modular aircraft" was invented by Jens Werner (Wilsdruff STT Kesselsdorf, Germany), Phil Pezus (Wilsdruff STT Kesselsdorf, Germany), Matthias Bieler (Wilsdruff STT Kesselsdorf, Germany) and Florian Franke (Wilsdruff STT Kesselsdorf, Germany).

According to the abstract* released by the U.S. Patent & Trademark Office: "A modular vertical take-off and landing aircraft for transporting persons and/or loads, comprising a flight module with multiple drive units arranged on a supporting framework structure, each drive unit having an electric motor and a propeller operati...