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Patentes

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Patente citante Fecha de presentación Fecha de emisión Cesionario original Título
US41935842 Ago 197818 Mar 1980Wieser's Concrete Products, Inc.Livestock fence
US592769422 Ago 199727 Jul 1999Easy picket post
US681135730 Jul 20022 Nov 2004Retaining wall assembly
US766571220 Sep 200523 Feb 2010Intellectual Property Management, LLCApparatus for pre-casting concrete structures
US780240920 Sep 200528 Sep 2010Intellectual Property Management, LLCSystem of concrete structures having panel and column portions with rigid member and end of panel portion of one structure received in slot of column portion of adjacent structure
US81626388 Ene 200924 Abr 2012Intellectual Property Management LLCMethod and system for forming vertical pre-cast concrete structures

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