Patents by Inventor Robert Norman Poole

Robert Norman Poole 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).

  • Tube forming process
    Patent number: 3951050
    Abstract: The invention provides a continuous process for producing tubes from sheeting coated on at least one face with a heat sealable composition that melts at a lower temperature than the sheeting itself.
    Type: Grant
    Filed: October 16, 1974
    Date of Patent: April 20, 1976
    Assignee: Du Pont of Canada, Ltd.
    Inventor: Robert Norman Poole