When was the American entrepreneur and engineer died based on who's patent modern trains rely upon a fail-safe air brake system?
Railway air brake A railway air brake is a railway brake power braking system with compressed air as the operating medium. Modern trains rely upon a fail-safe air brake system that is based upon a design patented by George Westinghouse on March 5, 1868. The Westinghouse Air Brake Company (WABCO) was subsequently organized to manufacture and sell Westinghouse's invention. In various forms, it has been nearly universally adopted.
Edgar Apperson Edgar Apperson (October 3, 1870 – May 12, 1959) was an American automobile manufacturer and engineer.