Patents by Inventor A. Stephen Aho

A. Stephen Aho 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).

  • Stackable and unstackable support construction
    Patent number: 5683004
    Abstract: A vertically adjustable support has a plurality of vertically stackable and unstackable platforms, adjacent ones of the platform being joined by a coupling each of which extends downwardly from a socket in an upper platform in which the coupling is accommodated and has projections for gripping a portion of the next adjacent lower platform so as to join the upper and lower platforms in such manner as to minimize the inadvertent separation or slipping of adjacent platforms relative to one another.
    Type: Grant
    Filed: May 22, 1996
    Date of Patent: November 4, 1997
    Assignee: Structural Plastics Corporation
    Inventor: A. Stephen Aho
  • Shelving construction
    Patent number: 5579702
    Abstract: A shelving construction comprises a plurality of quadrangular panels and a plurality of sets of supporting legs. At least one panel overlies two parallel, spaced apart panels. One set of legs couples the overlying panel to one of the two panels and another set of legs couples the overlying panel to the other of the two panels. The legs interlock the three panels to one another and maintain them securely in their respective positions.
    Type: Grant
    Filed: March 16, 1994
    Date of Patent: December 3, 1996
    Assignee: Structural Plastics Corporation
    Inventor: A. Stephen Aho