Patents by Inventor JoAnne Hahn

JoAnne Hahn 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).

  • Nebulizing catheter
    Patent number: 5031613
    Abstract: A nebulizing catheter and method for delivering a nebulized medication to a patient. The catheter includes an hour-glass shaped neck near its distal end and one or more perforations formed in the distal end. The fluid may be forced through the catheter by a syringe or other suitable means. The catheter is preferably used in conjunction with an endotracheal tube into which the catheter is inserted.
    Type: Grant
    Filed: June 7, 1989
    Date of Patent: July 16, 1991
    Assignees: JoAnne Hahn, Gary Rambadt, Dale Crites
    Inventors: Roy D. Smith, JoAnne Hahn, Gary Rambadt, Dale Crites