Patents by Inventor Stephen M. Langdon

Stephen M. Langdon 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).

  • Tamper-evident seal for a container
    Publication number: 20080308557
    Abstract: A container is provided which includes body having a top portion and a bottom portion. Each of the top portion and bottom portion have lips which are affixed together at a first location. A perforation line is made in at least one of the top and bottom lips. The perforation line is between the first location and the container body. An adhesive member covers a portion of the perforation line between the top and bottom lip so that the adhesive member may be pulled through the perforation line to gain access inside the container body.
    Type: Application
    Filed: June 15, 2007
    Publication date: December 18, 2008
    Inventors: Kerry M. Kyle, Stephen M. Langdon