Patents by Inventor Helmut Kuerti

Helmut Kuerti 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).

  • Pizza box
    Patent number: D292176
    Type: Grant
    Filed: April 17, 1985
    Date of Patent: October 6, 1987
    Assignee: New England Tray, Ltd.
    Inventor: Helmut Kuerti
  • Pizza pie container
    Patent number: D306405
    Type: Grant
    Filed: August 13, 1987
    Date of Patent: March 6, 1990
    Assignee: New England Tray, Ltd.
    Inventor: Helmut Kuerti
  • Pizza container
    Patent number: D309715
    Type: Grant
    Filed: July 18, 1988
    Date of Patent: August 7, 1990
    Assignee: New England Tray, Ltd.
    Inventor: Helmut Kuerti