Patents by Inventor Joseph W. Jakonczuk

Joseph W. Jakonczuk 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).

  • Jacketed hollow point bullet and method of making same
    Patent number: 5357866
    Abstract: A jacketed hollow point bullet having a lead core and the method of making same with the core having a downwardly extending cavity having side portions terminating adjacent the peripheral edge of the jacket, with slits being formed in the peripheral edge of the jacket and down through the adjacent side portions of the core.
    Type: Grant
    Filed: August 20, 1993
    Date of Patent: October 25, 1994
    Assignee: Remington Arms Company, Inc.
    Inventors: David K. Schluckebier, Joseph W. Jakonczuk
  • Shot cartridge
    Patent number: 4815389
    Abstract: A shot cartridge suitable for use in automatic and semi-automatic pistols, characterized by a metal case terminated in a hemispherical crimp and a wad that expands to fill the barrel diameter of a pistol.
    Type: Grant
    Filed: July 31, 1987
    Date of Patent: March 28, 1989
    Assignee: Remington Arms Company
    Inventor: Joseph W. Jakonczuk