ALEXANDRIA, Va., March 3 -- United States Patent no. 12,564,332, issued on March 3, was assigned to VO2 MASTER HEALTH SENSORS INC. (Vernon, Canada).

"Wearable device for measuring a person's ventilation or metabolism metrics" was invented by Peter O'Brien (Vernon, Canada), Zachary Birkett (Vernon, Canada), Stephen Ito-Dyck (Vernon, Canada), James Webber (Vernon, Canada) and Aidan Demers (Vernon, Canada).

According to the abstract* released by the U.S. Patent & Trademark Office: "There is provided a device for measuring a person's ventilation or metabolism metrics. The device includes a conduit shaped to receive an exhalation of air therethrough. The device includes at least one gas sensor passively sampling said exhalation of air by means...