ALEXANDRIA, Va., March 12 -- United States Patent no. 12,246,131, issued on March 11, was assigned to RESMED PTY LTD (Bella Vista, Australia).

"Patient interface" was invented by Amal Shirley Amarasinghe (Sydney), Ravikumar Baluchagi (Sydney), Adam Francis Barlow (Sydney), Andrew James Bate (Sydney), Emily Elizabeth Blanch (Sydney), David James Braund (Sydney), Christopher Samuel Cullen (Sydney), Errol Savio Alex D'Souza (Sydney), Bruce Richard Davies (Sydney), Craig David Edwards (Sydney), Christopher Andrew Wakeley Gill (Sydney), Lachlan Richard Goldspink (Sydney), Thomas Kirby (Sydney), Kishore Markapuram Chengalvarayan (Sydney), Holly Elizabeth Miller (Sydney), Lemmy Nga (Sydney), Chia Ik Tan (Sydney) and Matthew Robin Wells (Sydney)....