Patents by Inventor Eilert Andersson

Eilert Andersson 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).

  • Method in the manufacture of tartar removing dental instruments
    Patent number: 4617718
    Abstract: A method in the manufacture of tartar removing dental instruments of the type comprising a longitudinal tool portion having a triangular cross-section tapering towards the tip, at least two of the three edges along the lateral faces of the tool portion being ground into cutting edges (5, 6). A profiled blank (1) of a substantially constant triangular cross-section is being ground along one of the lateral faces (2) with the removal of stuff (3) increasing towards the tip (4).
    Type: Grant
    Filed: August 7, 1984
    Date of Patent: October 21, 1986
    Assignee: Dentalvarutjanst AB
    Inventor: Eilert Andersson