Patents by Inventor William N. Willis

William N. Willis 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).

  • Car seat/stroller assembly with rocker mechanism
    Patent number: 6250654
    Abstract: A car seat/stroller assembly with rocking mechanism that combines a car seat, a stroller and a spring motor driven rocking swing into one system of interconnectable assemblies.
    Type: Grant
    Filed: April 10, 2000
    Date of Patent: June 26, 2001
    Inventor: William N. Willis