Patents by Inventor C. J. Szwargulski

C. J. Szwargulski 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).

  • Process for can bottom manufacture for improved strength and material use reduction
    Patent number: 6132155
    Abstract: A new end wall or can bottom configuration for beverage cans and a method for its manufacture have been designed which provide an increased resistance to pressure and which allow an additional light-weighting of the can bottom.
    Type: Grant
    Filed: March 10, 1998
    Date of Patent: October 17, 2000
    Assignee: Metal Container Corporation
    Inventors: J. L. Gouliard, J. J. Kester, C. J. Szwargulski