Patents by Inventor Martin Lederman

Martin Lederman 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: 5269112
    Abstract: A portable display assembly for use in displaying a variety of articles on a wall structure thereof, being structured for easy assembly and disassembly to facilitate transport between different use locations. The display assembly includes a plurality of vertical frame units which are adapted to be interconnected at spaced intervals by scissor connectors. The scissor connectors each include a pair of elongate, rigid elements pivotally attached at mid-portions thereof forming oppositely disposed scissor arms, wherein each pair of scissor arms is structured for attachment to a respective one of adjacently positioned vertical frame units in such a manner so as to position the adjacent frame units in either a parallel orientation or one of a plurality of angled orientations relative to one another. In this manner, a wall frame structure of virtually any desired size, shape and configuration can be assembled, to which may be attached decorative background panels, shelves, and other display material.
    Type: Grant
    Filed: August 7, 1991
    Date of Patent: December 14, 1993
    Inventors: Leonard Weinrub, Martin Lederman