Patents by Inventor Willard E. Wagner

Willard E. Wagner 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).

  • Punch pin configuration
    Patent number: 4763552
    Abstract: A punch pin cutting edge configuration having a leading edge and a following edge is described. The leading edge engages a workpiece, such as paper, before the following edge. The following edge is at a steeper angle than the leading edge relative to the workpiece being punched. The cutting edge thus produced reduces the force necessary to punch through the workpiece.
    Type: Grant
    Filed: April 20, 1987
    Date of Patent: August 16, 1988
    Assignee: Acco World Corporation
    Inventor: Willard E. Wagner