Patents by Inventor Jong-Bum Sohn

Jong-Bum Sohn 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).

  • Publication number: 20050229467
    Abstract: A collapsible gun cleaning rod including a plurality of elongated, tubular sections which fit together to form a rod having a proximal end portion and a distal end portion, the tubular section defining the proximal end portion being in screw engagement with the adjacent elongated tubular section, a biasing spring disposed within the proximal end portion, an inextensible strand fixed in the proximal end portion and extending through the plurality of elongated, tubular sections and fixed to the distal end portion, whereby, when either the proximal end portion or the tubular section adjacent thereto is rotated relative to each other, the gun cleaning rod is lengthened against the bias of the spring, causing the plurality of tubular elongated sections to fit together in the rigid manner relative to each other.
    Type: Application
    Filed: August 3, 2004
    Publication date: October 20, 2005
    Inventor: Jong-Bum Sohn