Patents by Inventor Bill Birgen

Bill Birgen 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).

  • Pregnancy seat belt or safety harness
    Patent number: 11560119
    Abstract: A pregnancy seat belt that secures an expectant mother and her unborn baby due to the absence of a lap belt traversing the expectant mother's abdomen. The expectant mother is secured instead by a center belt and/or thigh-belts that secure the mother at her thighs and avoid traverse of her abdomen.
    Type: Grant
    Filed: May 5, 2021
    Date of Patent: January 24, 2023
    Inventors: Bill Birgen, Wes Cross