Patents by Inventor Michael P. Dunnigan

Michael P. Dunnigan 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).

  • Explosively driven impactor grenade
    Patent number: 6668727
    Abstract: An explosively driven impactor grenade includes a grenade body having a substantially spherical shape and a hollow central portion, the grenade body including a plurality of recesses formed on an external surface thereof with each recess including an opening into the hollow central portion of the grenade body, the grenade body including an opening on the exterior surface that connects with the hollow central portion; a fuze disposed in the hollow central portion of the grenade body; a fuze cap for closing the opening on the exterior surface that connects with the hollow central portion; and a plurality of explosively driven impactors respectively disposed in the plurality of recesses formed on the external surface of the grenade body, the explosively driven impactors being connected to the fuze through the recess openings into the hollow central portion of the grenade body.
    Type: Grant
    Filed: June 18, 2003
    Date of Patent: December 30, 2003
    Assignee: The United States of America as represented by the Secretary of the Navy
    Inventors: Steven S. Kim, Christopher G. Melkonian, Michael P. Dunnigan, Carl Gotzmer, Jr., Joe Mayersak