ALEXANDRIA, Va., Feb. 11 -- United States Patent no. 12,544,521, issued on Feb. 10, was assigned to Services PTE. LTD. (Singapore).
"Respiratory therapy filter, flow control, and patient interface apparatuses, systems, and methods" was invented by Jack B. Sing (Batesville, Ind.), Nookarajesh Varma Sangadi (Singapore), Michael M. Frondorf (Lakeside Park, Ky.), Pratheep K. Mahalingam (Singapore), Suresha Venkataraya (Singapore), Yue Wang (Singapore), Chau Chong Ye (Singapore), Joel Preetham Fernandes (Singapore), Cong Jiang (Singapore), Wei T. Tan (Singapore), Eugene Kung (Singapore), Siew Ying Koh (Singapore), Tak Wei David Teo (Singapore) and Leah Noaeill (New Brighton, Minn.).
According to the abstract* released by the U.S. Patent & Trad...