ALEXANDRIA, Va., May 26 -- United States Patent no. 12,635,746, issued on May 26, was assigned to INTELLISAFE LLC (Denver).
"Protective mask" was invented by Trevor Chandler (Thornton, Colo.), Michael Brown (Golden, Colo.), Joshua Eng-Morris (Denver) and Joshua K. Goetz (Denver).
According to the abstract* released by the U.S. Patent & Trademark Office: "A protective mask includes a transparent impermeable membrane; a frame that substantially surrounds and is coupled to a perimeter of the impermeable membrane and is configured to be positioned about a face of a user; a seal operatively coupled to the frame that seals against a face of the user and extends around a perimeter of the frame, wherein the frame and the seal are substantially im...