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Patentes

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Patente citante Fecha de presentación Fecha de emisión Cesionario original Título
US423045311 Abr 197928 Oct 1980Litton Industrial Products Inc.Light assembly for use with a dental handpiece
US452755328 Abr 19809 Jul 1985Laryngoscope with improved light source
US53423536 May 199230 Ago 1994System for laser treatment of the female urethra and bladder
US549996416 Sep 199419 Mar 1996Welch Al Iyn, Inc.Speculum with smoke evacuation channel
US574385215 Abr 199628 Abr 1998Speculums
US584624915 Oct 19968 Dic 1998Pinotage, LLCVideo gynecological examination apparatus
US603968713 Jul 199821 Mar 2000Karl Storz GmbH & Co. KGRectoscope with semi-reflective tube surface
US63320928 Jul 199818 Dic 2001LifeSpex, IncorporatedOptical probe having and methods for uniform light irradiation and/or light collection over a volume
US635023329 Jul 199926 Feb 2002Sigmoidoscope
US648744019 Ene 200126 Nov 2002LifeSpex, Inc.Optical probe having and methods for difuse and uniform light irradiation
US658916815 Ago 20018 Jul 2003Video gynecological examination apparatus
US72442288 Feb 200217 Jul 2007Sigmoidoscope
US728498119 Ago 200323 Oct 2007Kaltenbach & Voigt GmbH & Co. KGFunctional handpiece having a light emission element at its forward end