Patents by Inventor Era Pauline Prewitt

Era Pauline Prewitt 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: 4017915
    Abstract: A washbasin formed from a flexible sheet of material and rigidified by parallel spaced reinforcing elements, is held erect by corner flap hooks received in loops on the outside of adjacent side panels against which the corner flaps are folded. Spaced side panels are folded onto the bottom panel and then folded therewith into a compact form for storage purposes.
    Type: Grant
    Filed: August 29, 1975
    Date of Patent: April 19, 1977
    Inventor: Era Pauline Prewitt