ALEXANDRIA, Va., June 6 -- United States Patent no. 12,283,176, issued on April 22, was assigned to SimpliSafe Inc. (Boston).
"Illuminated indicator for doorbell" was invented by Patrick Lloyd Murphy (Cambridge, Mass.) and Gregory Kintz (Santa Cruz, Calif.).
According to the abstract* released by the U.S. Patent & Trademark Office: "An illuminated indicator for a doorbell can be arranged to receive light along an optical axis (e.g., that is perpendicular to a front face of the doorbell housing) and emit the light from an output portion that defines a closed loop (e.g., that extends around the optical axis) and in a direction that is parallel to the optical axis. The illuminated indicator can include a light pipe that receives light along ...