Patents by Inventor Ralph L. Campoli

Ralph L. Campoli 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: 6158348
    Abstract: An ammunition cartridge has a base and a sidewall extending from the base to a mouth. The sidewall bounds an interior of the case. A projectile is secured to the case proximate the mouth and has at least an aft portion within the case interior. A propellant charge is located in a first region of the case interior at least in part surrounding the aft portion of the projectile. A second propellant charge is carried within a second region of the case interior generally aft of the first region.
    Type: Grant
    Filed: December 15, 1998
    Date of Patent: December 12, 2000
    Assignee: Primex Technologies, Inc.
    Inventor: Ralph L. Campoli