Patents by Inventor John F. Cavanagh, Jr.

John F. Cavanagh, Jr. 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).

  • Wafer die construction
    Patent number: 4621997
    Abstract: An apparatus for manufacturing wafers is disclosed that includes a pair of rolls each containing cavities that form the wafers. The cavities each have outer edge walls that extend from the bottom portion of the cavity at an obtuse angle and the two rolls are arranged so that the cavities become effectively mirror images of each other as they engage at the nip. The cavities also have portions rising from the bottom thereof that impress a design substantially equal from both sides to proclude warping of the bread.
    Type: Grant
    Filed: September 23, 1985
    Date of Patent: November 11, 1986
    Assignee: Cavanagh & Sons, Inc.
    Inventors: John F. Cavanagh, Jr., Paul A. Cavanagh