Patents by Inventor Madeline L. Radish

Madeline L. Radish 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).

  • Blade sharpener
    Patent number: 4404873
    Abstract: In a Blade Sharpener having a vise to hold a blade, an elongated sharpener reciprocally movable across the edge of the blade, and a guide on the vise to guide the sharpener, the provision of a clamp and bracket to removably support the vise on a stationary support in a preselected position in preselected attitude relative to the balde and sharpener.
    Type: Grant
    Filed: October 13, 1981
    Date of Patent: September 20, 1983
    Assignee: Howard Ray Longbrake
    Inventor: Madeline L. Radish