Patents by Inventor F. Patrick Wallis

F. Patrick Wallis 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).

  • Length-measuring attachment for chain saw
    Patent number: 4625407
    Abstract: A length-measuring attachment for a chain saw includes a clamp assembly for mounting a transversely-extending measuring arm to the chain saw handle. A slidably mounted resilient index pointer is connected to the arm for marking the appropriate length of a piece of wood to be cut. The resilient pointer flexes enabling cuts to be made at any point along the piece of wood and serves to indicate proper plane of cut as well as proper length.
    Type: Grant
    Filed: August 12, 1985
    Date of Patent: December 2, 1986
    Inventor: F. Patrick Wallis