Patents by Inventor Ron Prevost

Ron Prevost 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).

  • Ink cartridge system for ink-jet printer
    Patent number: 5574489
    Abstract: The present invention is directed to a system that provides a replaceable cartridge for storing ink, in conjunction with a printer station for rapid and leak-free replacement of the cartridges.
    Type: Grant
    Filed: March 30, 1994
    Date of Patent: November 12, 1996
    Assignee: Hewlett-Packard Company
    Inventors: Bruce Cowger, Ron Prevost