Patents by Inventor Jack D. Putman

Jack D. Putman 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).

  • Single-piece container blank with multi-ply end panels
    Patent number: 3940053
    Abstract: A single-piece container blank is erectable into a container having multi-ply end panels with stacking tabs extending upwardly therefrom. The multi-ply end panels offer stacking strength while the stacking tabs stabilize a resulting stack of containers. A multi-ply side panel is also a feature in one embodiment.
    Type: Grant
    Filed: August 1, 1974
    Date of Patent: February 24, 1976
    Assignee: Weyerhaeuser Company
    Inventors: Jack D. Putman, Richard Wytko