Patents by Inventor Maurice Edward Grudza

Maurice Edward Grudza 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: 5880398
    Abstract: A dual-purpose bullet is provided consisting of a thermoplastic body, a base cap, and a pressed powder core. The bullet in the preferred embodiment can either penetrate destroying and disrupting large volumes of human tissue or not penetrate the human tissue delivering a strong shock event and creating a thermal nuisance. The lethal mode is achieved by a high-velocity launch of the bullet without ignition of the igniter mixture and pressed powder core. The less-than-lethal mode is achieved by a low-velocity launch with ignition of first the pressed powder core and softening of the plastic projectile body.
    Type: Grant
    Filed: August 20, 1997
    Date of Patent: March 9, 1999
    Assignee: Scientific Solutions Inc.
    Inventors: Michael Gerard Crilly, Maurice Edward Grudza, David Charles Jann, Hugh Harper Gibbs