Patents by Inventor Gregory Zafirakis

Gregory Zafirakis 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: 5911288
    Abstract: A work platform for temporary installation under a bridge span includes a plurality of longitudinal support cables supporting transversely extending grating planks, with sidewise adjacent planks being interlocked by lock pins. A selected subset of the grating planks are releasably fastened to underlying support cables T-shaped clamping members inserted through slots in the selected grating planks.
    Type: Grant
    Filed: November 4, 1996
    Date of Patent: June 15, 1999
    Assignee: Z.A.F. Contractors, Inc.
    Inventor: Gregory Zafirakis