Patents by Inventor Stephen W. Murphy

Stephen W. Murphy 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).

  • Adapter and mating bottle cap for coupling bottles to ink supplies
    Patent number: 6164768
    Abstract: An ink supply system comprises an adapter, mounted upon the ink supply reservoir, and a mating bottle cap, secured to the ink supply container, for coupling the ink supply container to the ink supply reservoir adapter, wherein both the ink supply reservoir adapter and the ink supply container cap have unique mating or corresponding polarizing structure fixedly or integrally mounted thereon such that the ink supply reservoir will only accept such uniquely predeterminedly configured or structured ink supply containers. In this manner, non-compatible or inferior quality ink materials are not introduced into the ink supply reservoir.
    Type: Grant
    Filed: November 9, 1999
    Date of Patent: December 26, 2000
    Assignee: Illinois Tool Works Inc.
    Inventors: Stephen W. Murphy, Clifford J. Cahill