Patents by Inventor Peter M. Downing

Peter M. Downing 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).

  • Stitchers
    Patent number: 4328919
    Abstract: A wire stitcher for binding sets of sheets has a driver for driving a staple through a set and an active clincher for bending over the ends of the staple legs to form clinches. The clincher includes an ear having a first groove in a side edge for catching the end of a driven staple leg and initiating bending of the leg and a second, narrower groove in an end edge, which is contiguous with the groove and aligns the leg and completes the bending thereof. A transition groove portion connects the grooves at the junction of the edges.
    Type: Grant
    Filed: December 21, 1979
    Date of Patent: May 11, 1982
    Assignee: Xerox Corporation
    Inventors: Brian R. Lawrence, Peter M. Downing