Patents by Inventor Stuart A. Marrin

Stuart A. Marrin 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: 5070665
    Abstract: A play panel for use by children in building construction such as playhouses or mazes within which the child can play comprises a surrounding frame structure defined by four frame elements each of which includes one side portion and one corner portion of the total frame structure. A fabric cover for spanning the frame has sleeves defined along four sides each for receiving one side portion of a frame element. The frame elements are connected together by coupling members which are in the form of sleeves surrounding the frame elements as a press fit. Each coupling member has on its outer cylindrical surface a plurality of fins with each fin having a wider rib along the outermost edge. The coupling members of one panel can be connected to the coupling members of the next panel by forcing the fins of one into the spaces of the fins of the other.
    Type: Grant
    Filed: July 25, 1989
    Date of Patent: December 10, 1991
    Assignee: Adamen Inc.
    Inventors: Stuart A. Marrin, William E. Pastrick