Patents by Inventor Francis P. Canonica

Francis P. Canonica 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).

  • Methods and apparatus for cleaning channels
    Patent number: 6047431
    Abstract: Methods and apparatus for cleaning a working channel using a motorized brush and cleaning fluid.
    Type: Grant
    Filed: November 21, 1997
    Date of Patent: April 11, 2000
    Assignee: Olympus America Inc.
    Inventor: Francis P. Canonica