Patents by Inventor Charles Jack Barrett

Charles Jack Barrett 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: 4019749
    Abstract: A seal for maintaining closure between a hollow cylindrical member and an end member closing the cylindrical member, the seal accommodating radial movement of the cylindrical member and movement of the end member in the direction at right angles to such radial movement.
    Type: Grant
    Filed: October 23, 1975
    Date of Patent: April 26, 1977
    Assignee: Taylor Woodrow Construction Limited
    Inventors: Peter Dawson, Charles Jack Barrett