Patents by Inventor Wynona Blackman

Wynona Blackman 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: 4141585
    Abstract: A cooling chair comprising a seat rest having a first chamber therein and a back rest having a second chamber therein communicating with the first chamber. The chambers each have a closed end and a spaced apart porous end having a plurality of vents and adapted to receive a coolant therein, such as dry ice or the like, for use in cooling the lounge chair. A door is mounted relative to one of the chambers to permit the insertion of the coolant therein. Front supporting legs are operatively connected to the seat rest, with rear supporting legs operatively connected to the back rest. A battery compartment in one of the chambers for storing a battery is provided with access means to the battery compartment so as to permit replacement of the battery from time to time.
    Type: Grant
    Filed: October 19, 1977
    Date of Patent: February 27, 1979
    Inventor: Wynona Blackman