Patents by Inventor Jerry L. McKeefry

Jerry L. McKeefry 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: 4392844
    Abstract: Method and apparatus for correcting stack lean in a zig-zag folded web wherein a transverse force is cyclically applied to a traveling web so as to vary the motion of the web slightly as it passes through a transverse perforator.
    Type: Grant
    Filed: June 22, 1981
    Date of Patent: July 12, 1983
    Assignee: Paper Converting Machine Company
    Inventors: James B. Fulk, Jerry L. McKeefry, George F. Schuning, John J. Bradley
  • Patent number: 3972520
    Abstract: Apparatus for handling business forms in which at least three superposed continuous business form webs are processed and thereafter separated for individual folding, with certain of the webs being passed around a compound turning bar prior to folding.
    Type: Grant
    Filed: August 15, 1975
    Date of Patent: August 3, 1976
    Assignee: Paper Converting Machine Company
    Inventor: Jerry L. McKeefry
  • Patent number: RE32331
    Abstract: Method and apparatus for correcting stack lean in a zig-zag folded web wherein a transverse force is cyclically applied to a traveling web so as to vary the motion of the web slightly as it passes through a transverse perforator.
    Type: Grant
    Filed: October 1, 1984
    Date of Patent: January 13, 1987
    Assignee: Paper Converting Machine Company
    Inventors: James B. Fulk, Jerry L. McKeefry, George F. Schuning, John J. Bradley