Patents by Inventor Christopher C. Coppock

Christopher C. Coppock 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: 7021395
    Abstract: An attachment device detachably connects a gardening or cultivating tool to the blade of a garden hoe. This attachment device enables a tool such as weed cutters, rakes, pronged tools, and scythes to be detachably mounted to a hoe. The attachment device includes a sheet of metal wherein one or more U-shaped slots are formed along one edge. Tool retaining bolts are threaded into threaded holes in one side of the U-shaped slot(s) to tightly engage the hoe blade within the slot. A cutting tool having this attachment device maintains a spring loaded cutting blade which floats with respect to the hoe attachment device so that compression of the springs during use stores energy when the cutting blade hits an object for enhancing the cutting cycle and for reducing operator fatigue.
    Type: Grant
    Filed: August 24, 2004
    Date of Patent: April 4, 2006
    Inventor: Christopher C. Coppock