Delta Information Systems, Inc.

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2007/0217,553 DYNAMIC SELECTION OF AN OPTIMUM SIGNAL FROM A PLURALITY OF SIGNAL SOURCESAbandonedMar 09, 07Sep 20, 07[H04B]
2004/0107,104 Method and apparatus for automated identification of animal soundsAbandonedDec 03, 02Jun 03, 04[G10L]
4729020 System for formatting digital signals to be transmittedExpiredJun 01, 87Mar 01, 88[H04N]

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