Patents by Inventor Charles E. Cain

Charles E. Cain 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: 4696210
    Abstract: An apparatus for producing registration holes in a sheet-like workpiece that is provided with registration marks.
    Type: Grant
    Filed: June 30, 1986
    Date of Patent: September 29, 1987
    Assignee: Chief Technology Systems, Inc.
    Inventors: Charles E. Cain, Gary L. Cain