Patents by Inventor Pamela J. Paiva

Pamela J. Paiva 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).

  • Cutting attachment for rotary mower blades and use
    Patent number: 4922697
    Abstract: A new type of removable cutting attachment for a rotary mower blade of a power driving grass mower to improve the cutting ability of the said mower comprising a tubular base having members for removably attachment to a flat mower blade, a C shaped cutting plate having a straight upper edge at the top of the C and a straight edge at the bottom of the C and two substantially semi-circular side edges, the straight edge at the top of the C being fixedly attached to the side of the base, and the straight edge at the bottom of the C forming a sharp cutting edge, a portion of the interior of the cutting plate being removed to permit passaged of cut material.
    Type: Grant
    Filed: August 14, 1989
    Date of Patent: May 8, 1990
    Inventors: Anthony J. Paiva, Pamela J. Paiva