Patents by Inventor Leonce DeRoy

Leonce DeRoy 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: 4248412
    Abstract: A support for sharpening chain saws is disclosed consisting of an L-shaped member having a threaded spike adapted to be screwed into the cut surface of a tree trunk. The horizontal arm of the member is provided with clamping means to hold fast the blade of the chain saw. A second, straight member adapted to support the handle or safety guard of the chain saw is height-adjustably secured to the vertical arm of the L-shaped member. The chain saw is held in upside down position for easy access to the chain teeth to be sharpened.
    Type: Grant
    Filed: January 7, 1980
    Date of Patent: February 3, 1981
    Inventor: Leonce DeRoy