ALEXANDRIA, Va., July 21 -- United States Patent no. 12,686,590, issued on July 21, was assigned to EMCH Aufzuge AG (Bern, Switzerland).
"Switch arrangement for a lift, in particular a personnel lift and/or a goods lift" was invented by Daniel Turler (Boll, Switzerland) and Thomas Zurfluh (Hinterkappelen, Switzerland).
According to the abstract* released by the U.S. Patent & Trademark Office: "A switch arrangement for a lift, preferably a personnel lift or goods lift, including marked pushbuttons and an electrical conductor connection to a control device of the lift. The switch arrangement is provided with at least one elastically deformable plate element with the pushbuttons with the marking on the upper side of the button. A recognition...