Patents by Inventor Joe A. Isbell

Joe A. Isbell 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).

  • Lawn edging device
    Patent number: 4437523
    Abstract: A device for edging lawns around concrete walkways, driveways, etc. The device includes a handle and a blade for being forced between the lawn and the walkway. The blade is specially formed so that the cutting edge thereof will be forced against the walkway as it is forced downward and rotated through the lawn whereby the device is self-sharpening as it is used.
    Type: Grant
    Filed: March 30, 1982
    Date of Patent: March 20, 1984
    Inventor: Joe A. Isbell