Patents by Inventor Charles D. Kern

Charles D. Kern 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).

  • Metal overcap for pharmaceutical and similar containers
    Patent number: 4471879
    Abstract: This invention relates to an overcap for pharmaceutical and similar containers which enables an immediate determination to be made whether or not the container has been tampered with or if an additive has been injected into the containers.
    Type: Grant
    Filed: August 4, 1983
    Date of Patent: September 18, 1984
    Assignee: The West Company
    Inventors: John T. Connor, William A. Conard, Charles D. Kern, Joe E. Irvin