ALEXANDRIA, Va., Nov. 18 -- United States Patent no. 12,473,762, issued on Nov. 18.
"Magnetic door lock control system and method" was invented by Gary Sprague (Visalia, Calif.).
According to the abstract* released by the U.S. Patent & Trademark Office: "A magnetic door lock control system for use with an egress handle system and a door is provided. The magnetic door lock control system employs magnets that communicate with one another across the door jamb thereby eliminating the need for a hard wired electrical connection between the egress handle system (e.g., a mechanical switch bar) configured with a door and a door locking mechanism mounted above the door in the header of the entranceway. In this way, the need for an electrical wire ...