Level Z, L.L.C.

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Patent Activity in the Last 10 Years

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
6996409 Multi-party concurrence through short message service exchangesJun 26, 02Feb 07, 06[H04Q]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
7221951 Method and system for short message service exchange and teleconferencingExpiredDec 20, 01May 22, 07[H04Q]
2005/0233,759 Method and system for short message service exchange and teleconferencingAbandonedJun 13, 05Oct 20, 05[H04Q]
2005/0165,697 Method of confirming transactions through mobile wireless devices during reselling and distribution of products and servicesAbandonedDec 04, 04Jul 28, 05[G06F]
6834796 Anonymous redemption and stored value system and methodExpiredAug 20, 02Dec 28, 04[G06K]
2004/0088,186 Distributed convergent service control platformAbandonedOct 28, 03May 06, 04[H04B, G06F]
6684072 Global wireless prepaid roamingExpiredAug 24, 00Jan 27, 04[H04Q]
6603968 Roaming in wireless networks with dynamic modification of subscriber identificationExpiredJun 22, 01Aug 05, 03[H04Q]
2002/0165,820 Prepaid electronic cash system with pin vending machinesAbandonedMay 04, 01Nov 07, 02[G06F]
2002/0091,649 System and method providing stored value payment in multiple level enterpriseAbandonedJan 11, 01Jul 11, 02[H04L, G06F, H04K]
2002/0068,610 Method and apparatus for selecting source device and content delivery via wireless connectionAbandonedDec 05, 00Jun 06, 02[H04M, H04B]
2002/0069,188 On-line payment settlement for multi-party based servicesAbandonedDec 01, 00Jun 06, 02[H04L, G06F, G01R, H04K]

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