True Dimensional Sound, Inc.
Patent Owner
Stats
- 0 US PATENTS IN FORCE
- 0 US APPLICATIONS PENDING
- Nov 24, 2005 most recent publication
Details
- 0 Issued Patents
- 0 Issued in last 3 years
- 0 Published in last 3 years
- 28 Total Citation Count
- Feb 23, 1993 Earliest Filing
- 4 Expired/Abandoned/Withdrawn Patents
Patent Activity in the Last 10 Years
Technologies
- No Technology to Display
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Recent Publications
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Recent Patents
- No Recent Patents to Display
Expired/Abandoned/Withdrawn Patents
Patent #
Title
Status
Filing Date
Issue/Pub Date
Intl Class
2005/0259,833 Frequency responses, apparatus and methods for the harmonic enhancement of audio signalsAbandonedJun 22, 01Nov 24, 05[H03G]
6275593 Apparatus and methods for the harmonic enhancement of electronic audio signalsExpiredAug 13, 96Aug 14, 01[H03G]
6208742 Electro-acoustic dynamic transducer system for use in a loud speakerExpiredAug 18, 99Mar 27, 01[H04R]
5361306 Apparatus and methods for enhancing an electronic audio signalExpiredFeb 23, 93Nov 01, 94[H03G]
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