Patents by Inventor Russell P. McGhie

Russell P. McGhie 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 and apparatus for foldably closing the ends of laminated metal-plastic tubes
    Patent number: 4019305
    Abstract: Toothpaste or like tubes having flexible metal-plastic laminate walls have one end flattened and folded in metal pressure jaw assemblies controllably heated in the range of 250.degree. to 350.degree. - 400.degree. F.
    Type: Grant
    Filed: December 9, 1975
    Date of Patent: April 26, 1977
    Assignee: Colgate-Palmolive Company
    Inventors: Russell P. McGhie, Olaf Bredholt, Winston G. Rockefeller