Patents by Inventor Warren E. Leddon

Warren E. Leddon 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).

  • Methods of discriminating between contaminated and uncontaminated containers
    Patent number: 5067616
    Abstract: Methods of discriminating between contaminated and uncontaminated containers prior to washing is disclosed characterized by the testing of the residue of the container to determine if the residue is residue of the original product packed in the container. If the residue is not sufficiently similar to the original product, the container is rejected as contaminated.
    Type: Grant
    Filed: May 15, 1989
    Date of Patent: November 26, 1991
    Assignee: The Coca-Cola Company
    Inventors: George Plester, Warren E. Leddon, David E. Dalsis
  • Methods of discriminating between contaminated and uncontaminated containers
    Patent number: 4830192
    Abstract: Methods of discriminating between contaminated and uncontaminated containers prior to washing is disclosed characterized by the testing of the residue of the container to determine if the residue is residue of the original product packed in the container. If the residue is not sufficiently similar to the original product, the container is rejected as contaminated.
    Type: Grant
    Filed: July 23, 1987
    Date of Patent: May 16, 1989
    Assignee: The Coca-Cola Company
    Inventors: George Plester, Warren E. Leddon, David E. Dalsis