Patents by Inventor David E. Mathre

David E. Mathre 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: 5235890
    Abstract: A scroll saw having a blinder to shield the rapid up and down movement of the saw blade and outer end of the saw blade arm from the view of the operator, comprising a shield member supported at a spaced apart distance in front of the saw blade arm having a vertical dimension large enough to span the vertical movement of the saw blade arm and block the view of such movement from the operator in front thereof. The shield member is supported in such position by a support arm held by a bracket secured to the vertical shaft which connects the hold down shoe to the elongated stationary arm of the scroll saw.
    Type: Grant
    Filed: July 27, 1992
    Date of Patent: August 17, 1993
    Inventor: David E. Mathre