Patents by Inventor Rodney E. Grantham

Rodney E. Grantham 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).

  • Patent number: 5641936
    Abstract: A proximity fuze which employs a reflected beam of pulse modulated infrared adiation to determine the distance from the weapon to the target. Modulation is accomplished electronically. Correlation circuitry comprising a logic network is provided to continuously compare the received signal with the modulation signal.
    Type: Grant
    Filed: September 11, 1964
    Date of Patent: June 24, 1997
    Assignee: The United States of America as represented by the Secretary of the Navy
    Inventors: Irving I. Sochard, James E. Swanekamp, Rodney E. Grantham, Marcella C. Petree