Patents by Inventor Theodore C. Ludwig

Theodore C. Ludwig 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).

  • Method of fabricating a reclaimable uniform conditioning blotter roll
    Patent number: 5752144
    Abstract: A method of fabricating a blotter roll for uniformly conditioning liquid images consisting of toner particles and carrier liquid. The method includes electroforming a semi-rigid resilient and perforated metallic substrate for preventing undesirable impressions of substrate outlines and footprints on an image being conditioned. The resilient metallic substrate is electroformed so as to be seamless and to have a cylindrical hollow interior, and first and second open ends.
    Type: Grant
    Filed: April 1, 1996
    Date of Patent: May 12, 1998
    Assignee: Xerox Corporation
    Inventors: Joseph C. Mammino, William G. Herbert, Shu Chang, Theodore C. Ludwig