Patents by Inventor Nils L. Galvefors, deceased

Nils L. Galvefors, deceased 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).

  • Drill
    Patent number: 4744704
    Abstract: A drill comprising a drill body (11) and a drill tip (22). The drill tip is detachably secured in a slot in the drill body. The drill tip (22) consists of a tip body and cutting portions. The drill body (11) and the tip body comprise cooperating surfaces in order to receive the radial and axial forces acting on the cutting portions.
    Type: Grant
    Filed: January 22, 1987
    Date of Patent: May 17, 1988
    Assignee: Santrade Limited
    Inventor: Nils L. Galvefors, deceased