ALEXANDRIA, Va., Aug. 12 -- United States Patent no. 12,383,771, issued on Aug. 12, was assigned to DRAEGER SAFETY UK Ltd. (Blyth, Great Britain).
"Adjustable support frame for a breathing apparatus" was invented by Jason Edward Allan (North Shields, Great Britain) and Darin Ferguson (Ashington, Great Britain).
According to the abstract* released by the U.S. Patent & Trademark Office: "Disclosed is an adjustable support frame for a breathing apparatus having an adjustable longitudinal dimension and a user-facing side configured to substantially overlay a user's back in use, the adjustable support frame comprising: a first frame portion and a second frame portion, the first and second frame portions being moveable relative to each other so...