ALEXANDRIA, Va., March 5 -- United States Patent no. 12,239,988, issued on March 4, was assigned to mirOculus Inc. (San Francisco).

"Air-matrix digital microfluidics apparatuses and methods for limiting evaporation and surface fouling" was invented by Mais J. Jebrail (Toronto), Irena Barbulovic-Nad (Toronto), Lorenzo Gutierrez (North York, Canada) and Foteini Christodoulou (San Francisco).

According to the abstract* released by the U.S. Patent & Trademark Office: "Air-matrix digital microfluidics (DMF) apparatuses and methods of using them to prevent or limit evaporation and surface fouling of the DMF apparatus. In particular, described herein are air-matrix DMF apparatuses and methods of using them in which a separate well that is access...