IMMERSION TECHNOLOGY PROPERTY LIMITED

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2010/0325,873 ELECTROSTATIC LOUDSPEAKER STATORS AND THEIR MANUFACTUREAbandonedSep 03, 10Dec 30, 10[H04R]
7810224 Electrostatic loudspeaker stators and their manufactureExpiredAug 04, 06Oct 12, 10[H04R]
2007/0003,079 The design of electrostatic loudspeakersAbandonedJun 18, 04Jan 04, 07[H04R]
2006/0050,915 Loudspeaker system with extended output and field cancellationAbandonedJan 13, 04Mar 09, 06[H04R]
6854005 Crossover filter system and methodExpiredFeb 20, 02Feb 08, 05[G06G]
6630865 Push-pull amplifiersExpiredDec 06, 02Oct 07, 03[H03F]

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