ALEXANDRIA, Va., July 16 -- United States Patent no. 12,670,779, issued on June 30, was assigned to Axzon Inc. (Austin, Texas).

"Data logging device" was invented by Shahriar Rokhsaz (Austin, Texas), Ahmed Younis (San Antonio), John J. Paulos (Austin, Texas), Guanghui Hu (Austin, Texas) and Martin Gutierrez (Austin, Texas).

According to the abstract* released by the U.S. Patent & Trademark Office: "A data logging device includes an activation circuit, an environmental sensor, a processing module, and an environmental indicator. The activation circuit is operably coupled to place the data logging device in a ready mode based on an activation signal. The environmental sensor is operable to sense an environmental condition associated with th...