Patents by Inventor Linnea M. Hallberg

Linnea M. Hallberg 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).

  • Accordion bread pan
    Patent number: 5048707
    Abstract: A bread pan having corrugated top, bottom and side walls permits the baking f loaves having a generally accordion-like shape, such loaves being to some degree pressable without fracture. The pan has a bottom portion and a cooperating lid with the interface there between defining a seal which may be interrupted as a result of an increase of pressure within the pan to thereby release steam during baking.
    Type: Grant
    Filed: November 13, 1989
    Date of Patent: September 17, 1991
    Assignee: The United States of America as represented by the Secretary of the Army
    Inventor: Linnea M. Hallberg