ALEXANDRIA, Va., Feb. 19 -- United States Patent no. 12,228,685, issued on Feb. 18, was assigned to GM GLOBAL TECHNOLOGY OPERATIONS LLC (Detroit).
"Variable wettability sensor device cover" was invented by Zhe Li (Rochester, Mich.), Bo Yang (Rochester Hills, Mich.), Yuchuan Liu (Troy, Mich.), Julien P. Mourou (Bloomfield Hills, Mich.) and Rachit Garg (Bangalore, India).
According to the abstract* released by the U.S. Patent & Trademark Office: "An apparatus for protecting a sensor device includes a cover mounted on the sensor device, the cover including a cover portion made from a transparent material that is transparent to sensor signals, the cover portion including an external surface having a wettability that varies according to a wett...