ALEXANDRIA, Va., Nov. 25 -- United States Patent no. 12,484,137, issued on Nov. 25, was assigned to TERRAPLASMA GMBH (Garching, Germany).

"Plasma device activation within a predetermined distance" was invented by Maximilian Cantzler (Grafing bei Munchen, Germany), Hannes Weilemann (Munich), Sylvia Cantzler (Grafing bei Munchen, Germany) and Julia Zimmermann (Munich).

According to the abstract* released by the U.S. Patent & Trademark Office: "Provided is a plasma device for applying a cold atmospheric plasma to a surface to be treated, in particular on textiles, leather and/or plastic fibers. The plasma device includes a housing, a plasma source in the housing, and a voltage source in the housing for applying a voltage to the plasma source...