Patents by Inventor James H. Grutter

James H. Grutter 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).

  • Rafter side slotter
    Patent number: 4243082
    Abstract: A machine for cutting one or two slots in the sides of a log intended for use as a roofing rafter, the machine including a pair of dado saws, means for moving the saws up and down past the sides of a log, and supports for the saws which are adjustable to coordinate the angle of the cuts with the angle of a previously made notch.
    Type: Grant
    Filed: July 18, 1978
    Date of Patent: January 6, 1981
    Assignee: New England Log Homes, Inc.
    Inventors: Alfonso A. Paris, Jr., Douglas W. Muscanell, James H. Grutter