ALEXANDRIA, Va., June 4 -- United States Patent no. 12,320,158, issued on June 3.
"Method of securing a bathroom door with a lock informed by use of the bathroom sink" was invented by Dartangnan Walker (Inglewood, Calif.).
According to the abstract* released by the U.S. Patent & Trademark Office: "A system and method for securing individuals within a bathroom until they have washed their hands is described. An electronic magnetic lock installed to the door of the bathroom, which is linked to a switch integrated into a faucet of a sink of the bathroom, prevents individuals from exiting the bathroom until the faucet is activated. Signage present within the bathroom informs individuals of the presence of the system, and an audible message, c...