Assignee
GIERACH KARL DANIEL
US·3 granted patents·9 citations·filing 2004–2011
Technology mixH04M3
Top patents by PatentIndex Score
3 records- 0166US8072909B2Apparatus and method for notification of a party in a telephone conferenceGIERACH KARL DANIEL·Filed 2004·Granted Dec 6, 2011·9 cites·50 claims
- 0249US8750470B2Apparatus and methods for notification of a party in a telephone conferenceGIERACH KARL DANIEL·Filed 2011·Granted Jun 10, 2014·0 cites·11 claims
- 0342US8290140B2Sound event processing with echo analysisGIERACH KARL DANIEL·Filed 2010·Granted Oct 16, 2012·0 cites·18 claims
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