Patents by Inventor Hannegret Leuchtenberger

Hannegret Leuchtenberger 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).

  • Device for introducing a diaphragm
    Patent number: 4742820
    Abstract: A device for introducing a diaphragm into a vagina as well as for placing it in front of the womb, essentially consisting of an insertion rod to which the diaphragm can be attached in a detachable manner, whereby the insertion rod is designed to be hollow and at its end opposed to the insertion end a piston-shaped insert is provided, which can be moved in relation to the insertion rod.
    Type: Grant
    Filed: May 20, 1986
    Date of Patent: May 10, 1988
    Inventor: Hannegret Leuchtenberger