Patents by Inventor Clarence W. Winn

Clarence W. Winn 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).

  • Method of making a lead frame
    Patent number: 4204317
    Abstract: The method of making a metal lead frame wherein a metal lead frame blank is stamped or etched from a metal strip so as to provide a die attach pad and a plurality of leads attached to the pad. Prior to separating the leads from the pad a retainer is applied to the leads adjacent the pad so that the leads are held in fixed positions during and after their separation from the pad.
    Type: Grant
    Filed: November 18, 1977
    Date of Patent: May 27, 1980
    Assignee: The Arnold Engineering Company
    Inventor: Clarence W. Winn