Patents Assigned to Max M. Stern
  • Officiating communication device
    Patent number: 5557253
    Abstract: This invention concerns a device for confirming an official's call in a field sport, including a flag for waving to visually indicate to others that the event has occurred, a shaft upon which the flag is loosely attached, a handle to support the shaft integral therewith, a power source, an electronic signal generator and transmitter, and a receiver worn by another offical for receiving the signal in confirmation of the official's call.
    Type: Grant
    Filed: September 1, 1994
    Date of Patent: September 17, 1996
    Assignee: Max M. Stern
    Inventors: Kenneth J. Hegemann, Max M. Stern