Patents by Inventor Harold E. Froelich

Harold E. Froelich 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).

  • Bent back box staple and staple closing mechanism with split actuator
    Patent number: 4874122
    Abstract: An unused open wire skin staple having a generally U-shaped central portion and outer portions terminating in sharp points that can be closed to a rectangular shape by straightening the central portion. The staple can be closed between an anvil having spaced support surfaces for spaced points along the outer curved surface of the central portion, and a ram with separable end parts that can apply both longitudinal and transverse forces to close the staple around the anvil.
    Type: Grant
    Filed: August 25, 1988
    Date of Patent: October 17, 1989
    Assignee: Minnesota Mining and Manufacturing Company
    Inventors: Harold E. Froelich, Floyd L. Foslien