ALEXANDRIA, Va., March 31 -- United States Patent no. 12,592,136, issued on March 31, was assigned to GENTEX Corp. (Zeeland, Mich.).
"Self-testing detector" was invented by Thomas S. Wright (Hamilton, Mich.), Darin D. Tuttle (Byron Center, Mich.), Alexander R. Arent (Holland, Mich.), Sue F. Franz (Allegan, Mich.), Xiaoxu Niu (Grand Rapids, Mich.), Ryan Barrido Balili (Holland, Mich.) and Gregory J. Nagel (Caledonia, Mich.).
According to the abstract* released by the U.S. Patent & Trademark Office: "The present disclosure is directed, at least in part, to a self-testing detector device. The detector device may comprise: a chamber, a light source, a sensor, a substance emitter, and/or a speaker. The chamber may be configured to allow ambien...