Patents by Inventor Ruth Stark

Ruth Stark 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).

  • Infant play ring and associated method
    Patent number: 4568079
    Abstract: An infant play ring comprising a support of concave shape on which an infant can be disposed in supine position. The support has a central region in an arrangement such that the infant on the support extends across the central region. A rotatable turntable is provided at the central region of the support for supporting the infant with capability of rotating on the turntable relative to the support in supine position.
    Type: Grant
    Filed: April 20, 1984
    Date of Patent: February 4, 1986
    Inventor: Ruth Stark