Búsqueda Imágenes Maps Play YouTube Noticias Gmail Drive Más »
Búsqueda avanzada de patentes | Historial web | Iniciar sesión

Patentes

Citada por

Patente citante Fecha de presentación Fecha de emisión Cesionario original Título
US42377997 Feb 19789 Dic 1980Citibank, N.A.Banking protection system for 24 hour banking
US443699110 Mar 198213 Mar 1984Sealectro CorporationBadge reader using infrared light
US45441847 Jul 19831 Oct 1985Freund Precision, Inc.Tamper-proof identification card and identification system
US46251009 May 198425 Nov 1986Lathem Time Recorder Co., Inc.Coded data carrier and reader and electronic security tour system employing same
US537314626 Jul 199313 Dic 1994Card based access system with reader updating of the memory
US559003820 Jun 199431 Dic 1996Universal electronic transaction card including receipt storage and system and methods of conducting electronic transactions
US58842716 Sep 199616 Mar 1999Device, system and methods of conducting paperless transactions
US670552015 Nov 199916 Mar 2004Point of sale adapter for electronic transaction device
US67696076 Jun 20003 Ago 2004Point of sale and display adapter for electronic transaction device
US692543910 Mar 19992 Ago 2005C-Sam, Inc.Device, system and methods of conducting paperless transactions
US730842611 Ago 199911 Dic 2007C-SAM, Inc.System and methods for servicing electronic transactions
US730842611 Ago 199911 Dic 2007C-SAM, Inc.System and methods for servicing electronic transactions
US752956310 Jul 20005 May 2009System for distribution and use of virtual stored value cards