Patents by Inventor Ed Ledford

Ed Ledford 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).

  • Publication number: 20110061244
    Abstract: A novel abrasive cutting string for use in a string trimmer provides for a thermoplastic string with abrasives in the surface, but not in the central core of the string, the string being wound on a spool for rotation and incremental extension of at least one extremity in combination with the operation of the string trimmer.
    Type: Application
    Filed: September 8, 2010
    Publication date: March 17, 2011
    Inventors: Larry Wood, Ed Ledford