ALEXANDRIA, Va., Oct. 21 -- United States Patent no. 12,439,909, issued on Oct. 14.
"Combination garage door sensor and pest repellent device" was invented by Daren Webster (Hemet, Calif.).
According to the abstract* released by the U.S. Patent & Trademark Office: "A combination garage door sensor and pest repellent device for installation adjacent a garage door has a housing that operably mounts a laser or LED for detecting an obstruction at the garage door, and an ultrasonic wave generator for generating ultrasonic sound waves, the ultrasonic wave generator being mounted within or associated with the housing. A mounting mechanism mounts the housing adjacent to the garage door, so that the laser or LED is able to detect an obstruction ne...