Patents by Inventor Christopher K. Downs

Christopher K. Downs 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).

  • Sink
    Patent number: D298163
    Type: Grant
    Filed: August 25, 1986
    Date of Patent: October 18, 1988
    Assignee: McIlwraith Davey Pty. Ltd.
    Inventor: Christopher K. Downs
  • Sink
    Patent number: D298164
    Type: Grant
    Filed: August 25, 1986
    Date of Patent: October 18, 1988
    Assignee: McIlwraith Davey Pty. Ltd.
    Inventor: Christopher K. Downs
  • Sink
    Patent number: D324428
    Type: Grant
    Filed: July 1, 1988
    Date of Patent: March 3, 1992
    Assignee: McIllwraith Davey Pty Ltd
    Inventor: Christopher K. Downs