Patents by Inventor John Obester

John Obester 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: 4727777
    Abstract: A support for sharpening chain saws which can be mounted on the fender of a pick-up truck provides a convenient platform for sharpening the chain saw in the field or in the bush which can be readily swung out of the way when not in use. The support includes provisions for adjusting the height of the platform above the ground and for securing the chain saw in place for sharpening.
    Type: Grant
    Filed: August 11, 1986
    Date of Patent: March 1, 1988
    Inventor: John Obester