Patents by Inventor Charles G. Cardwell

Charles G. Cardwell 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: 3944070
    Abstract: A pallet is formed with a retention ledge extending outwardly from the upper portion of the pallet sidewall. A heat shrinkable sheath encompasses a plurality of articles and the top portion of the pallet including the retention ledge. A pallet cover can be placed on top of the stack before or after the sheath is thermally shrunk.
    Type: Grant
    Filed: September 9, 1974
    Date of Patent: March 16, 1976
    Assignee: Phillips Petroleum Company
    Inventors: Charles G. Cardwell, Morris E. Speck