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Patentes

Citada por

Patente citante Fecha de presentación Fecha de emisión Cesionario original Título
US457174624 Feb 198325 Feb 1986Collapsible headband
US479630712 Mar 198710 Ene 1989Ear protector
US721017318 Abr 20051 May 2007180s, Inc.Ear protection device
US721264512 Ago 20031 May 2007180s, Inc.Ear warmer with a speaker system
US722237312 Ago 200329 May 2007180s, Inc.Ear warmer having a membrane forming a receptacle
US76140913 Ene 200710 Nov 2009180s, Inc.Apparatus and method for making an ear warmer and an ear warmer frame
US76175436 Jun 200717 Nov 2009180s, Inc.Apparatus and method for making an ear warmer and an ear warmer frame
US765064912 Ago 200326 Ene 2010180s, Inc.Ear warmer having an external frame
US796297027 Oct 200321 Jun 2011180s, Inc.Ear warmer having a curved ear portion
US799692327 Dic 200516 Ago 2011180s, Inc.Apparatus and method for making an ear warmer and an ear warmer frame
USD54148212 Mar 200424 Abr 2007180s, Inc.Ear warmer having an external frame
USD54500112 Mar 200419 Jun 2007180s, Inc.Ear warmer having an external frame

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