Patents by Inventor Herbert E. Metcalf

Herbert E. Metcalf has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • MILES hand grenade
    Patent number: 6965542
    Abstract: A simulated grenade for MILES-type simulations generates a unique RF signal and a unique audio signal. A detector utilizes the time between receipt of the RF signal and the slower-traveling audio signal to determine the distance between the detector and the simulated grenade.
    Type: Grant
    Filed: October 14, 2003
    Date of Patent: November 15, 2005
    Assignee: Sandia Corporation
    Inventors: John J. Harrington, James H. Buttz, Alex B. Maish, Ray R. Page, Herbert E. Metcalf