ALEXANDRIA, Va., Oct. 21 -- United States Patent no. 12,440,707, issued on Oct. 14, was assigned to Milwaukee Electric Tool Corp. (Brookfield, Wis.).
"Reusable respirator" was invented by Andrew T. Bugliosi (Milwaukee), Trent T. Bauters (West Allis, Wis.) and Aaron M. Williams (Milwaukee).
According to the abstract* released by the U.S. Patent & Trademark Office: "Various reusable respirator designs are shown. In one example, a reusable respirator includes an inhalation pathway with a conduit extending from the exterior of the respirator into the nose piece allowing users to receive air directly into an inner sealed zone around a user's nose and mouth. The inhalation pathway includes a vent opening such that the inhalation pathway also di...