Patents by Inventor George L. Ackerman

George L. Ackerman 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: 4124050
    Abstract: A self-piercing fastener which locks itself to the metal panel upon which it is mounted for self-swaging its piercing portion to form automatic back taper thereof and by coining the margins of the pierced opening, the panel being disposed against a flat-top anvil having an opening therein providing clearance for discharge of the slug punched from the mounting material, and a method for securing self-piercing fasteners to a flat sheet metal panel.
    Type: Grant
    Filed: August 15, 1977
    Date of Patent: November 7, 1978
    Assignee: Action Machining Corp.
    Inventor: George L. Ackerman