Patents by Inventor Joseph Leveille

Joseph Leveille 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).

  • Plate processor
    Patent number: 4334758
    Abstract: An improved apparatus for developing offset printing plates is disclosed, in which the soaker plates defining the developing chamber between them comprise textured stainless steel and are oriented at an angle to the horizontal, their upstream ends being higher than their downstream ends.
    Type: Grant
    Filed: April 10, 1981
    Date of Patent: June 15, 1982
    Assignee: Polychrome Corporation
    Inventor: Joseph Leveille