Patents by Inventor Marshall F. Todd

Marshall F. Todd 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).

  • Dummy ammunition round method and apparatus
    Patent number: 6305290
    Abstract: The present invention is for a method of making a dummy ammunition round for a firearm which includes the steps of selecting a new or used metal casing of a used cartridge having a base end and an open end and then cutting an aperture in the base of the selected new or used metal casing. A polymer insert member is then formed having two end portions and shaped to fit into the selected metal casing with one end of the insert member having a protrusion sized to fit into the aperture cut through the casing base and the other end portion having a generally bullet shape for protruding from the open end of the metal casing.
    Type: Grant
    Filed: June 6, 2000
    Date of Patent: October 23, 2001
    Inventors: James S. Stimmell, Marshall F. Todd