Patents by Inventor Lloyd A. Hagerty

Lloyd A. Hagerty 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: 4611519
    Abstract: A radius corner forming apparatus and method and which utilizes a plate to receive a metal sheet in which a corner portion is to be removed to form a radius corner. A die block and punch set is removably attachable to a conventional punch press in order to sever the corner portion of the sheet to produce the radius corner thereon. The plate which receives the metal sheet is resiliently mounted to oppose the pressure of the punch when shifted. A plurality of differently sized radius corner die blocks and co-operating punches are provided.
    Type: Grant
    Filed: September 13, 1984
    Date of Patent: September 16, 1986
    Inventor: Lloyd A. Hagerty