Patents by Inventor Judith A. Spiegelhalter

Judith A. Spiegelhalter 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).

  • Variable lumen catheter
    Patent number: 6013068
    Abstract: The present invention is a convertible catheter which is of a size and construction so as to enable it to be inserted by a medical technician and is designed so as to convert the site of ingress from a single lumen configuration to a multilumen configuration without necessitating removal of the first catheter.
    Type: Grant
    Filed: July 28, 1998
    Date of Patent: January 11, 2000
    Inventor: Judith A. Spiegelhalter