ALEXANDRIA, Va., Dec. 16 -- United States Patent no. 12,498,503, issued on Dec. 16, was assigned to VEGA Grieshaber KG (Wolfach, Germany).
"Microwave barrier system" was invented by Daniel Schultheiss (Hornberg, Germany) and Michael Fischer (Alpirsbach, Germany).
According to the abstract* released by the U.S. Patent & Trademark Office: "A microwave barrier system is provided, including: a first microwave barrier including a first microwave transmitter and receiver, the first transmitter including an electrically tunable microwave generator and being configured to be operated at a selectable microwave frequency; and a second microwave barrier including a second microwave transmitter and receiver, the second transmitter including an electr...