Patents by Inventor William S. Cressman

William S. Cressman 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).

  • Inks with improved performance
    Patent number: 8343268
    Abstract: Inkjet ink formulations and methods using the same, with improved performance, wherein the inks are formulated to work as an ink set with darker inks having a higher dynamic surface tension.
    Type: Grant
    Filed: November 30, 2005
    Date of Patent: January 1, 2013
    Assignee: Hewlett-Packard Development Company, L.P.
    Inventors: Zeying Ma, Peter C. Morris, Anne M. Kelly-Rowley, Stephen W. Bauer, William S. Cressman, Sean W. Dobbins