ALEXANDRIA, Va., Aug. 25 -- United States Patent no. 12,716,867, issued on Aug. 25, was assigned to ANALYTICAL DETECTION LLC (Mission Viejo, Calif.).

"Methods and systems for ion mobility spectrometry" was invented by Andrey N. Vilkov (Aliso Viejo, Calif.), Joseph Adam Widjaja (Laguna Hills, Calif.), Jack Albert Syage (Corona del Mar, Calif.) and Brent D. Goldberg (Riverside, Calif.).

According to the abstract* released by the U.S. Patent & Trademark Office: "An example ion mobility spectrometry system includes a drift chamber, an ion detector, a thermal sensor, and processing circuitry. The drift chamber is configured to receive an ionized sample and an ionized calibrant. The ion detector is configured to generate a drift signal in respo...