ALEXANDRIA, Va., July 28 -- United States Patent no. 12,691,246, issued on July 28, was assigned to Crane USA Inc. (Itasca, Ill.).
"Portable air treatment apparatus" was invented by Dirk Niedermann (Naples, Fla.) and Peter Joseph Zerillo (Chicago).
According to the abstract* released by the U.S. Patent & Trademark Office: "A portable air treatment apparatus made up of: a) an operating unit for generating fluid droplets to be entrained in air and directed in a stream to an outlet for the operating unit; b) a mask having a body extending around a volume and a surface/edge at an outlet for the volume to be situated near a user's frontal face region, with the mask and operating unit configured so that the mask can be releasably operatively co...