ALEXANDRIA, Va., March 17 -- United States Patent no. 12,577,081, issued on March 17, was assigned to DESIGNED ACCESS LLC (Slinger, Wis.).

"Operation systems and methods for hoist elevators" was invented by Chad Baumgartner (Slinger, Wis.).

According to the abstract* released by the U.S. Patent & Trademark Office: "Systems and methods for hoist elevator system operation are provided. Hoist elevator operation systems and methods operate using a wireless network that may include a plurality of wireless technologies. Hoist elevator operation systems include a floor call station installed on a level or floor of a construction site, as well as a car controller paired to an operator panel and installed in a hoist elevator car. A remote server a...