ALEXANDRIA, Va., Dec. 9 -- United States Patent no. 12,491,842, issued on Dec. 9, was assigned to Valeo Systemes d'Essuyage (Bobigny, France).

"Method for cleaning a protective device for a drive assist system for a motor vehicle and associated drive assist system" was invented by Frederic Giraud (Le Mesnil Saint Denis, France).

According to the abstract* released by the U.S. Patent & Trademark Office: "The present invention relates to a method for cleaning a protective device (3) for a drive assist system (1), comprising an optical sensor (13) having an optic (14), the protective device (3) having an optical element (9) arranged upstream of the optic (14) and having an inner surface (9a) and an outer surface (9b) and being movably mounte...