Patents by Inventor Robert Michael Roof

Robert Michael Roof 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).

  • Weedhandler garden scalpel
    Patent number: D408234
    Type: Grant
    Filed: October 22, 1996
    Date of Patent: April 20, 1999
    Inventor: Robert Michael Roof