INTERNATIONAL GRATING, INC.

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
5332462 Apparatus for assembling fiberglass grating from pultruded fiberglass grating barsExpiredSep 08, 92Jul 26, 94[B29C]
5074950 Weaving machine for making fiberglass grating with improved tension control of fiberglass strands during layupExpiredJun 08, 90Dec 24, 91[B65H]
4904105 Tensioned grating fastenerExpiredNov 03, 88Feb 27, 90[F16B]
4760680 Fiberglass grating formed of interlocked pultruded fiberglass grating barsExpiredApr 27, 87Aug 02, 88[E04C]
4357292 Method of molding in solid floor plate to a fiberglass reinforced molded resin gratingExpiredAug 27, 81Nov 02, 82[B29G, B29D]

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