Patents by Inventor August Mader

August Mader 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).

  • Ejector pistol for double-walled cartridges
    Patent number: 5139171
    Abstract: An ejection pistol for double-walled cartridges comprises a hand-operated pistol grip, a trough-shaped half shell, a piston rod mounted displaceably therein, and a substantially circular ejection plate disposed at the front end of the piston rod. A cylindrical tube open on one side contains two cylindrical rams disposed coaxially with each other and with the longitudinal axis of the tube.
    Type: Grant
    Filed: January 4, 1991
    Date of Patent: August 18, 1992
    Assignee: Maderag AG
    Inventor: August Mader