Patents by Inventor Shawn D. Fitzsimonds

Shawn D. Fitzsimonds 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).

  • HANDGUN CARTRIDGE WITH SHEAR GROOVE BULLET
    Publication number: 20220412704
    Abstract: A rimless cartridge comprising a case and a bullet mounted therein. In embodiments, the bullet comprises a jacket having a cylindrical body portion, an ogive portion, and a plurality of longitudinally extending paths of weakness formed in the ogive portion and defining petals there between and extending rearward from the mouth. The bullet includes a malleable core mounted within the jacket. The bullet further comprises a circumferential groove between forward and rearward circumferential indentations imparted in the body portion of the jacket.
    Type: Application
    Filed: March 4, 2022
    Publication date: December 29, 2022
    Inventors: Frederick Frees, Richard D. Hurt, David M. Laska, Lawrence P. Head, Shawn D. Fitzsimonds
  • Handgun cartridge with shear groove bullet
    Patent number: 11268791
    Abstract: A rimless cartridge comprising a case and a bullet mounted therein. In embodiments, the bullet comprises a jacket having a cylindrical body portion, an ogive portion, and a plurality of longitudinally extending paths of weakness formed in the ogive portion and defining petals there between and extending rearward from the mouth. The bullet includes a malleable core mounted within the jacket. The bullet further comprises a circumferential groove between forward and rearward circumferential indentations imparted in the body portion of the jacket.
    Type: Grant
    Filed: July 11, 2019
    Date of Patent: March 8, 2022
    Assignee: Vista Outdoor Operations LLC
    Inventors: Frederick Frees, Richard D. Hurt, David M. Laska, Lawrence P. Head, Shawn D. Fitzsimonds