Patents by Inventor Rolf Bogstrom

Rolf Bogstrom 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).

  • Patent number: 5890310
    Abstract: A locking device for weapons or similar structures with an elongated hollow body intended to fit into the barrel of the weapon. The body is provided with at least two telescoping parts. A locking device is inserted in the body and is expandable in such a way that the body is fixedly locked in the barrel. The locking device includes locking members arranged around the periphery of one part and another part presses the locking members radially outwards against the inner barrel surface when the parts are urged toward one another in an attempt to press the locking device out of the weapon.
    Type: Grant
    Filed: April 10, 1997
    Date of Patent: April 6, 1999
    Inventor: Rolf Bogstrom