ALEXANDRIA, Va., May 19 -- United States Patent no. 12,630,124, issued on May 19, was assigned to PDQ Manufacturing Inc. (De Pere, Wis.).

"Vehicle treatment system with positional status detection mechanism" was invented by Daniel Ervin Moldenhauer (Hubertus, Wis.) and Kimmo Antero Ukkola (De Pere, Wis.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A system for detecting a positional status of a vehicle treatment device is provided. The vehicle treatment device is rotatable relative to a support structure. A plurality of proximity sensors are disposed on the support structure. A flag is rotationally fixed to the treatment device and is configured to activate at least one of the sensors during a predetermine...