ALEXANDRIA, Va., Feb. 17 -- United States Patent no. 12,551,650, issued on Feb. 17, was assigned to Exceleron Medical LLC (St. Paul, Minn.).
"Respiratory apparatus airflow tube" was invented by Keith A. Roberts (Dellwood, Minn.) and Charles Raskin (Blaine, Minn.).
According to the abstract* released by the U.S. Patent & Trademark Office: "A respiratory apparatus airflow tube configured to deliver an airflow from an airflow generator machine to a patient interface includes a flexible tube, a patient interface connector and a machine interface connector. The flexible tube includes a machine end, a patient end, and first and second heater wires extending from the machine end toward the patient end. The patient interface connector is attached...