ALEXANDRIA, Va., Nov. 11 -- United States Patent no. 12,465,708, issued on Nov. 11, was assigned to Fisher & Paykel Healthcare Ltd. (Auckland, New Zealand).
"Valsalva mask" was invented by Matthew Roger Stephenson (London) and Melissa Catherine Bornholdt (Auckland, New Zealand).
According to the abstract* released by the U.S. Patent & Trademark Office: "An interface for positive pressure therapy includes a mask assembly and a headgear assembly. The mask assembly comprises a mask seal that is adapted to underlie the nose. The mask seal extends up the lateral sides of the nose. The mask seal has a primary seal below the nose and a secondary seal alongside the nose."
The patent was filed on June 21, 2021, under Application No. 17/353,273.
...