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Patentes

Citada por

Patente citante Fecha de presentación Fecha de emisión Cesionario original Título
US55581588 Feb 199524 Sep 1996Hygienic air handler
US623424123 Sep 199622 May 2001Hygienic air handler
US63287913 May 200011 Dic 2001Hamilton Beach/Proctor-Silex, Inc.Air filtration device
US64475876 Dic 200110 Sep 2002Hamilton Beach/Proctor-Silex, Inc.Air filtration device
US649494029 Sep 200017 Dic 2002Hamilton Beach/Proctor-Silex, Inc.Air purifier
US650886813 Nov 200121 Ene 2003Hamilton Beach/Proctor-Silex, Inc.Air filtration device including filter change indicator
US67128894 Nov 200230 Mar 2004Hamilton Beach/Proctor-Silex, Inc.Air filtration device
US68637044 Dic 20038 Mar 2005Hamilton Beach/Proctor-Silex, Inc.Air filtration device
US73263878 May 20035 Feb 2008Theodore A. M. ArtsAir decontamination devices
US736800324 Jun 20056 May 2008S.C. Johnson & Son, Inc.Systems for and methods of providing air purification in combination with odor elimination
US753764730 May 200626 May 2009S.C. Johnson & Son, Inc.Air purifier
USD46882029 Sep 200014 Ene 2003Hamilton Beach/Proctor-Silex, Inc.Air purifier