Patents by Inventor Matthew Berrisford

Matthew Berrisford 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: 8684889
    Abstract: A handle for removable attachment to a dumbbell handle including a grip portion and a base portion is provided herein. The grip portion including side grips and top grip resembling a traditional kettlebell handle. An attachment device associated with the handle for attachment of the handle to a dumbbell handle.
    Type: Grant
    Filed: April 29, 2011
    Date of Patent: April 1, 2014
    Inventor: Matthew Berrisford