Patents by Inventor Jean C. LeTual

Jean C. LeTual 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: 5503078
    Abstract: The present invention is directed to an article of manufacture which provides a disc which both cleans primary charge contaminants on detonator cylinder walls, and shapes the preloaded primary charge in the containment chamber of the detonator.
    Type: Grant
    Filed: September 26, 1994
    Date of Patent: April 2, 1996
    Assignee: ICI Canada Inc.
    Inventor: Jean C. LeTual