Patents by Inventor Nancy B. Witherell

Nancy B. Witherell 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).

  • Patent number: 4369987
    Abstract: The invention relates to a folding wheeled chair/luggage carrier of the kind having a pair of side frames which can be folded between an erected, spaced side-by-side position and a stowage position via releasable locking means, and thereafter collapsed fan-wise into a stowage bundle, each side frame comprising pivotally connected back and base support and bracing bars and one or more struts which are pivotally connected between the free ends of said back and base support and bracing bars.A pair of seat bars are pivotally connected at corresponding intermediate positions to respective back support bars of said side frames for pivoting between a stowage position substantially in alignment with said back support bars to a use position in which their free ends extend forwardly, a fabric seat panel being fixed between the seat bars.
    Type: Grant
    Filed: March 16, 1981
    Date of Patent: January 25, 1983
    Inventor: Nancy B. Witherell