Patents by Inventor Leon D. Strand

Leon D. Strand 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).

  • Nitramine propellants
    Patent number: 4092188
    Abstract: Nitramine propellants absent a pressure exponent shift in the burning rate curves are prepared by matching the burning rate of a selected nitramine or combination of nitramines within 10% of burning rate of a plasticized active binder so as to smooth out the break point appearance in the burning rate curve.
    Type: Grant
    Filed: May 16, 1977
    Date of Patent: May 30, 1978
    Inventors: Alan M. Acting Administrator of the National Aeronautics and Space Administration, with respect to an invention of Lovelace, Norman S. Cohen, Leon D. Strand