Patents by Inventor Philip M. Stevens

Philip M. Stevens 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: 4197800
    Abstract: A rocket assisted projectile has a solid propellant charge within the projectile casing extending substantially throughout the length of the casing and has an inhibited centerport therein which axially extends substantially throughout the length of the propellant charge, and the solid propellant charge comprises a cast single explosive sensitized charge bonded to the casing and bonded to the inhibitor material of the inhibited centerport during cure of the cast charge with said charge having bifunctional characteristics to produce rocket thrust for the projectile in flight and high explosive blast of the projectile at target.
    Type: Grant
    Filed: September 4, 1970
    Date of Patent: April 15, 1980
    Assignee: Hercules Incorporated
    Inventors: Willis L. Greever, Philip M. Stevens