Patents by Inventor Sigfried Rosenkaimer

Sigfried Rosenkaimer 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).

  • Sheath for a knife having a handle and a fixed blade
    Patent number: 3992776
    Abstract: This invention relates to a sheath for a knife having a handle and a fixed blade, the sheath being provided with a spring metal band which includes a resiliently displaceable arched portion extending downwardly into the sheath pocket to bear against the flat surface of the knife blade, the arched portion being supported from an intermediate portion snugly registered within a slot located in one of the sheath walls and anchored therein by a portion extending exteriorily of said sheath and at an angle to the intermediate portion, the anchor portion carrying a clip for securing the sheath to a support and the handle for the knife having a shoulder formation with a shaping corresponding to and complementary with the shaping of the upper edges of the sheath pocket for snug registration therein.
    Type: Grant
    Filed: October 20, 1975
    Date of Patent: November 23, 1976
    Inventors: Rudolf Koppe, Sigfried Rosenkaimer