Patents by Inventor Emma L. Martin

Emma L. Martin 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: 4318521
    Abstract: The specification discloses an especially designed and built bag frame that comprises a closed loop of tubing having a shaped form about which the open end of a refuse bag of plastic or other flexible material may be stretched and wrapped so as to hold the mouth of the bag open while the user rakes or gathers in grass, leaves, or other refuse. In one embodiment the frame is D-shaped so that the flat side may rest squarely on the ground. In another embodiment the frame includes spikes adjacent the flat side so that the frame may forceably be engaged with the earth so that it will stand alone when the user releases hold thereof; this permits the user to have both hands free for the raking or gathering activity.
    Type: Grant
    Filed: July 25, 1979
    Date of Patent: March 9, 1982
    Inventors: Emma L. Martin, John G. Martin