Patents by Inventor Charles Robert Helms

Charles Robert Helms 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).

  • Carton handle
    Patent number: 3986660
    Abstract: An improved handle arrangement for a basket style paperboard carton which includes a central vertical partition member with a hand hole and weakened areas on opposite sides of the hand hole to assist in preventing the material of the member from tearing when the carton is carried.
    Type: Grant
    Filed: November 7, 1975
    Date of Patent: October 19, 1976
    Assignee: Container Corporation of America
    Inventor: Charles Robert Helms