Patents Examined by Brent A. Swaithout
  • Timing system
    Patent number: 4857886
    Abstract: Timing system for use on a track involving a plurality of vehicles including a series of stationary transceivers located at selected locations along the track and a mobile transmitter located in each vehicle.
    Type: Grant
    Filed: February 26, 1988
    Date of Patent: August 15, 1989
    Inventor: Eric J. Crews