Patents by Inventor Charles E. Bartley

Charles E. Bartley 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).

  • Solid propellant with butyl rubber binder
    Patent number: 3932242
    Abstract: 1. A solid propellant charge for rocket motors consisting essentially of a formed vulcanized mixture of rubbery isobutylene-isoprene copolymer fuel binder in the proportion of 10-20% by weight and a solid inorganic strong oxidizing salt in the proportion of 80-90% by weight.
    Type: Grant
    Filed: May 8, 1961
    Date of Patent: January 13, 1976
    Inventors: Charles E. Bartley, Lawrence R. Settlemire