Citada por|
| US4191373 | 6 Dic 1976 | 4 Mar 1980 | | Tennis elbow brace | | US4209264 | 17 Abr 1979 | 24 Jun 1980 | Hellberg Protection AB | Sliding block support | | US5068923 | 24 Oct 1990 | 3 Dic 1991 | Milmas AB | Noise attenuator attachment arm | | US6056082 | 9 May 1997 | 2 May 2000 | 3M Innovative Properties Company | Ergonomic banded ear plug | | US6449806 | 23 Mar 2000 | 17 Sep 2002 | | Head strap for headphones or hearing protector | | US6611963 | 26 Oct 2001 | 2 Sep 2003 | Bacon USA Safety, Inc. | Wire band earmuff | | USD323043 | 1 Mar 1989 | 7 Ene 1992 | | Ear protector | | USD519497 | 13 Abr 2005 | 25 Abr 2006 | Sony Corporation | Headphone | | USD520492 | 29 Abr 2005 | 9 May 2006 | | Earphone | | USD538261 | 3 Ene 2006 | 13 Mar 2007 | Bose Corporation | Headset | | USD539267 | 17 Ene 2006 | 27 Mar 2007 | Sony Corporation | Headphone | | USD542774 | 28 Abr 2006 | 15 May 2007 | Plantronics, Inc. | Communications headset | | USD556187 | 2 Ago 2006 | 27 Nov 2007 | Toong In Electronic Corp. | Headphone | | USD594847 | 20 Mar 2008 | 23 Jun 2009 | Sony Corporation | Headphone | | USD603370 | 17 Ene 2007 | 3 Nov 2009 | Sony Corporation | Headphone | | USD648318 | 24 Dic 2010 | 8 Nov 2011 | Thunder International Ltd. | Headset |
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