Patents by Inventor Holly M. Williamson

Holly M. Williamson 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).

  • Liquid ink cartridge and improved filling method
    Patent number: 6447109
    Abstract: A fluid cartridge, such as a cartridge for filling with ink for use in ink jet printhead includes a wick chamber that has outer walls, and forms a wick chamber and a fluid chamber. The outer walls of the fluid chamber are formed to provide no fluid communication with the fluid chamber except through the wick chamber. The ink fluid cartridge is filled by evacuating gas from the ink chamber and from the wick chamber, and then supplying ink into the wick chamber until the ink substantially saturates the wick material, and flows into the ink chamber.
    Type: Grant
    Filed: July 13, 2001
    Date of Patent: September 10, 2002
    Assignee: Xerox Corporation
    Inventors: Holly M. Williamson, Dennis M. Lengyel, Steven J. Dietl, Hiep H. Nguyen