Patents by Inventor David C. Andrews

David C. Andrews 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: 6062318
    Abstract: The present invention is a blade which is designed and configured to be utilized with conventional edging devices. The blade of the present invention is substantially U-shaped and includes a top planar wall having opposite ends. Extending outward from each end is a rectangular shaped end portion. When in use, the outer walls of the end portions will contact the ground. This will offer the user a device which is versatile and powerful. For protecting the user, a cover is provided.
    Type: Grant
    Filed: September 27, 1997
    Date of Patent: May 16, 2000
    Inventor: David C. Andrews