ALEXANDRIA, Va., Dec. 23 -- United States Patent no. 12,502,094, issued on Dec. 23.
"Lung testing device" was invented by Gerald Sindhuber (Ulmerfeld, Austria) and Alfred Wegerer (Linz, Austria).
According to the abstract* released by the U.S. Patent & Trademark Office: "A device for determining measurement values describing the function of the lungs or the respiratory system of a patient includes a mouthpiece including a tube for introducing respiratory air and for sucking in air, and a gas measurement space. At least one of the following gas sensors is arranged in the gas measurement space: nitrogen monoxide sensor, carbon dioxide sensor, oxygen sensor, carbon monoxide sensor, multi-gas sensor, sensor for volatile organic compounds, alk...