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Patentes

Citada por

Patente citante Fecha de presentación Fecha de emisión Cesionario original Título
US455896919 Mar 198417 Dic 1985Bebo of AmericaHinge for use with large pre-cast overfilled load support structures
US459531428 Dic 198317 Jun 1986Precast concrete culvert section
US468737117 Abr 198618 Ago 1987Con/Span Culvert Systems, Inc.Precast concrete culvert section
US479703017 Ago 198710 Ene 1989Con/Span Culvert Systems, Inc.Precast concrete culvert system
US485477529 Feb 19888 Ago 1989Con/Span Culvert Systems, Inc.Precast concrete culvert system
US49938728 Ago 198919 Feb 1991Con/Span Culvert Systems, Inc.Precast concrete culvert system
US685492829 Ene 200315 Feb 2005Con/Span Bridge Systems Ltd.Precast concrete culvert system
US699140217 Oct 200231 Ene 2006StormTrap LLCMethods and modules for an underground assembly for storm water retention or detention
US716005821 Oct 20059 Ene 2007StormTrap LLCMethods and module for an underground assembly for storm water retention or detention
US73443357 Dic 200618 Mar 2008StormTrap LLCMethods and modules for an underground assembly for storm water retention or detention
USD6178675 Mar 200915 Jun 2010StormTrap LLCModule for an underground assembly for storm water retention or detention

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