Patents by Inventor Durrell D. Boyd

Durrell D. Boyd 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).

  • Method of coating boron particles with ammonium perchlorate
    Patent number: 3976521
    Abstract: A method for coating boron particles with ammonium perchlorate. The method involves the steps of dissolving ammonium perchlorate in liquid ammonia, adding a volatile non-solvent diluent and boron particles to the ammonia and then vaporizing the ammonia and diluent to form a coated product.
    Type: Grant
    Filed: November 20, 1974
    Date of Patent: August 24, 1976
    Assignee: The United States of America as represented by the Secretary of the Air Force
    Inventors: Durrell D. Boyd, Lewis B. Childs