Patents by Inventor John V. Mariol

John V. Mariol 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: 4688280
    Abstract: A portable playpen assembly comprises a frame assembly and a fabric enclosure. The frame assembly comprises a horizontally hinged bifold hub wherein each hinge half is capable of receiving a first end of a floor support bar. A set of frame members are provided wherein each frame member comprises a floor support bar, an enclosure support bar, a corner support casing with means for attachment thereto of a second end of the floor support bar and means for attachment thereto of the enclosure support bar which permits the enclosure support bar to swing from an upright position to a horizontal position, and latch means for holding the enclosure support bar in an upright position. The frame assembly is foldable to a compact unit. When in use, the frame assembly is capable of holding a fabric enclosure so as to provide a playpen assembly.
    Type: Grant
    Filed: October 20, 1986
    Date of Patent: August 25, 1987
    Assignee: KohusMariol, Inc.
    Inventors: Louis M. Kohus, John V. Mariol