Patents by Inventor Walter J. Griffin

Walter J. Griffin 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).

  • Apparatus for mounting a hand-held pavement breaker on a backhoe bucket
    Patent number: 6035948
    Abstract: A mount to attach a standard hand-held pavement breaker to a backhoe bucket quickly and easily. The invention allows the pavement breaker to be mounted and dismounted without a person having to lift or manually operate the pavement breaker. The mount attaches to the handles of the pavement breaker and then to the side of the backhoe bucket. The sleeves which fit over the handles are adapted to automatically depress the trigger of the pavement breaker whenever the pavement breaker is in firm contact with the surface to be broken.
    Type: Grant
    Filed: January 15, 1999
    Date of Patent: March 14, 2000
    Inventor: Walter J. Griffin