ALEXANDRIA, Va., Sept. 3 -- United States Patent no. 12,406,542, issued on Sept. 2, was assigned to OJMAR S.A. (Elgoibar, Spain).
"Access control system" was invented by Jon Zabala Zabaleta (Elgoibar, Spain), Jokin Aguirrezabala Olasagasti (Elgoibar, Spain) and Mikel Solozabal Ibarra (Elgoibar, Spain).
According to the abstract* released by the U.S. Patent & Trademark Office: "An access control system includes a control circuit (7), a push button (4) that can be moved from a distal position to a proximal position, aided by an elastic element (4.d) to keep it in the distal open position, a tab (3), configured to be moved by means of the push button (4), and establish the closure of the access, a locking device (5) for locking the closed po...