Sonum Technologies, Inc.

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
7599831 Multi-stage pattern reduction for natural language processingExpiredNov 10, 05Oct 06, 09[G10L, G06F]
2007/0067,155 Surface structure generationAbandonedSep 20, 05Mar 22, 07[G06F]
6980949 Natural language processorExpiredMar 14, 03Dec 27, 05[G06F]

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