Apparatus and method-of-use patents establish full-stack intellectual property protection for the company’s AirFrisk™ handheld scanner BELLEVUE, WA — January 15, 2026 — Following a multi-year development effort, Lassen Peak, Inc. announced today the award of two U.S. patents for its AirFrisk handheld concealed weapon detection scanner, bringing its number of issued patents to a total […] The post Lassen Peak Awarded Two Foundational Patents for World’s First Handheld Terahertz Concealed Weapon Detection System appeared first on Lassen Peak .