ALEXANDRIA, Va., March 17 -- United States Patent no. D1,118,899, issued on March 17, was assigned to Fisher & Paykel Healthcare Ltd. (Auckland, New Zealand).

"Nasal mask" was invented by Tony William Spear (Auckland, New Zealand), Matthew James Pedersen (Auckland, New Zealand), Yi-Jen Lin (Auckland, New Zealand), Stephen Francis Heffernan (Auckland, New Zealand), Bruce Michael Walls (Auckland, New Zealand), Wen Dong Huang (Auckland, New Zealand), Hamish Joshua Rose (Auckland, New Zealand), Priyanka Ferdinand Pereira (Auckland, New Zealand), Kane Logan Findlay (Auckland, New Zealand), Christopher Michael Wong (Auckland, New Zealand) and Luke Feldman (Auckland, New Zealand).

The patent was filed on April 13, 2021, under Application No. D/7...