Assignee
EARMARK INC
US·3 granted patents·170 citations·filing 1979–1995
Top patents by PatentIndex Score
3 records- 0178US5457769AMethod and apparatus for detecting the presence of human voice signals in audio signalsEARMARK INC·Filed 1994·Granted Oct 10, 1995·98 cites·6 claims
- 0273US4259547AHearing aid with dual pickupEARMARK INC·Filed 1979·Granted Mar 31, 1981·41 cites·18 claims
- 0356US5574794AMicrophone assembly for adhesive attachment to a vibratory surfaceEARMARK INC·Filed 1995·Granted Nov 12, 1996·31 cites·16 claims
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →