Patents by Inventor Howard J. Leonhardt

Howard J. Leonhardt 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).

  • Pulmonary artery polyurethane balloon catheter
    Patent number: 5370618
    Abstract: A self centering, low profile, low inflation pressure pulmonary artery polyurethane balloon catheter having a reduced neck section and a balloon disposed within the neck section such that the balloon is flush with the catheter body in the deflated state and extends beyond the distal end of the catheter in both its inflated and deflated states.
    Type: Grant
    Filed: November 20, 1992
    Date of Patent: December 6, 1994
    Assignee: World Medical Manufacturing Corporation
    Inventor: Howard J. Leonhardt