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Patentes

Citada por

Patente citante Fecha de presentación Fecha de emisión Cesionario original Título
US42010262 Oct 19786 May 1980E.T.I. CorporationStructural member
US432982417 Dic 197918 May 1982Sheet metal beam
US435036714 Abr 198021 Sep 1982Ing. h.c.F. Porsche AktiengesellschaftRoll bar for vehicles, especially motor vehicles
US449095817 Oct 19831 Ene 1985Sheet metal beam
US539045328 Dic 199221 Feb 1995Structural members and structures assembled therefrom
US565759024 Ene 199619 Ago 1997Quanex CorporationMuntin bar assembly
US58679496 Dic 19969 Feb 1999Building structure
US638594117 Feb 200014 May 2002America Pre-Fab, Inc.Simple lap beam
US675500418 Mar 200229 Jun 2004American Pre-Fab, Inc.Simple lap beam
US68021707 Ene 200312 Oct 2004Box beam and method for fabricating same
US72579325 Mar 200121 Ago 2007Light weight building material
US789580926 Sep 20061 Mar 2011Wolfe Electric, Inc.Support beam and attachment clevis assembly
US807495821 Feb 200813 Dic 2011Lintel form for concrete and block constructions
USD42471426 Abr 19999 May 2000Dimex CorporationPaver restraint
USD63609521 Jun 201012 Abr 2011Self-mating beam assembly

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