Patents by Inventor Carol A. R Gillis

Carol A. R Gillis 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).

  • Doll house swivel basement add-on system
    Patent number: 5830031
    Abstract: A new Doll House Swivel Basement Add-On System for providing a basement in combination with a swivel base for an existing doll house thereby allowing a user to conveniently access all sides of the existing doll house. The inventive device includes a basement structure, a swivel base, a vehicle ramp, a porch, snap-on stairs, and a securing rim. The securing rim is for engaging a bottom portion of the exiting doll house. The swivel base allows the basement structure to rotate along with the existing doll house to allow the user access to all sides of the existing doll house.
    Type: Grant
    Filed: March 20, 1997
    Date of Patent: November 3, 1998
    Inventors: Cathy G. O'Brien, Carol A. R Gillis