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Patentes

Citada por

Patente citante Fecha de presentación Fecha de emisión Cesionario original Título
US446129029 Nov 198224 Jul 1984Cabot CorporationHearing protectors
US457911217 May 19841 Abr 1986Foam earplug
US460919430 May 19842 Sep 1986Vibration dampening device for sporting rackets
US46776795 Jul 198430 Jun 1987Insert earphones for audiometry
US472492224 Jul 198616 Feb 1988Acoustic earpiece
US477659023 Abr 198611 Oct 1988Vibration dampening device for sporting rackets
US489667922 May 198930 Ene 1990Method and apparatus for the exclusion of sound and water from the auditory canal
US504446330 Nov 19893 Sep 1991Cabot CorporationMolded foam earplug and method for making same
US513141120 Ago 199021 Jul 1992Virginia Polytechnic Institute & State University
Virginia Tech Intellectual Property Lic.
Center for Innovative Technology
Custom-fitting earplug formed in situ using foaming action
US635823123 Ago 199919 Mar 2002Biopolymer, Inc.Transdermal anesthetizing solution and method and apparatus for anesthetizing the ear canal and tympanic membrane
US640898127 Sep 200025 Jun 2002Saint-Gobain Performance Plastics CorporationExtruded monolithic foam earplug
US648472630 Jun 200026 Nov 20023M Innovative Properties CompanyArticulating earplug
US707844322 Oct 200318 Jul 2006Intellectual Property Holdings, LLCViscoelastic foam layer and composition
US798471622 Jun 200726 Jul 2011Kimberly-Clark Worldwide Inc.Self-conforming sound attenuation earplug
US811320722 Ago 200814 Feb 2012Kimberly-Clark Worldwide, Inc.Self-conforming sound attenuation earplug
USD27294624 Ago 19816 Mar 1984Tasco Corp.Ear protector
USD43503617 Nov 199912 Dic 2000Koss CorporationStereophone ear plug
USD44414117 Nov 199926 Jun 2001Koss CorporationStereophone ear plug housing
USD4458936 Nov 200031 Jul 20013M Innovative Properties CompanyEarplug
USD4458946 Nov 200031 Jul 20013M Innovative Properties CompanyEarplug
USD44959217 Nov 199923 Oct 2001Koss CorporationStereophone ear plug insert
USD65912629 Jul 20118 May 2012Miniature headphone

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