ALEXANDRIA, Va., July 14 -- United States Patent no. 12,679,633, issued on July 14, was assigned to Sukup Manufacturing Co. (Sheffield, Iowa).
"Safety grain bin door latch system" was invented by Connor Lee West (Thornton, Iowa), Andrew Joseph Sauerbrei (Clear Lake, Iowa), Bradley Allan Poppen (Sheffield, Iowa), David Jay Brownmiller (Mason City, Iowa), John Arthur Hanig (Sheffield, Iowa) and Steve Sukup (Sheffield, Iowa).
According to the abstract* released by the U.S. Patent & Trademark Office: "A safety door latch system is presented for a grain bin having a door frame. An inner door is connected to the door frame that is configured to move between an open position and a closed position. An outer door is connected to the door frame and...