David Clark Company Incorporated
Patent Owner
Stats
- 6 US PATENTS IN FORCE
- 0 US APPLICATIONS PENDING
- Sep 16, 2014 most recent publication
Details
- 6 Issued Patents
- 0 Issued in last 3 years
- 0 Published in last 3 years
- 999 Total Citation Count
- Jun 24, 1980 Earliest Filing
- 25 Expired/Abandoned/Withdrawn Patents
Patent Activity in the Last 10 Years
Technologies
Intl Class
Technology
Matters
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Top Patents (by citation)
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Recent Publications
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Recent Patents
Patent #
Title
Filing Date
Issue Date
Intl Class
Expired/Abandoned/Withdrawn Patents
Patent #
Title
Status
Filing Date
Issue/Pub Date
Intl Class
2013/0295,853 COMMUNICATION SYSTEM AND METHOD HAVING LOW-SIGNAL-LEVEL WARNING SYSTEM AND METHODAbandonedMay 03, 12Nov 07, 13[H04B]
2012/0224,709 VOICE ACTIVATION SYSTEM AND METHOD AND COMMUNICATION SYSTEM AND METHOD USING THE SAMEAbandonedMar 02, 12Sep 06, 12[G08B, H04R]
2009/0141,906 Communication Headset Processing Multiple Audio InputsAbandonedNov 30, 07Jun 04, 09[G10K]
2009/0136,052 Active Noise Cancellation Using a Predictive ApproachAbandonedNov 27, 07May 28, 09[A61F]
2007/0041,606 Apparatus and method for noise cancellation in communication headset using dual-coil speakerAbandonedAug 22, 05Feb 22, 07[H04R]
5335370 Partial pressure cuff seal for utilization in a full pressure suitExpiredMar 23, 93Aug 09, 94[A62B]
D316414 Cushion for attachment to the arcuate headband connecting the earpiece members of a communications headsetExpiredJan 27, 89Apr 23, 91[]
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