Assignee
AMPERSAND INC
4 granted patents·47 citations·filing 1986–2017
Top patents by PatentIndex Score
4 records- 0185US10014006B1Method of determining whether a phone call is answered by a human or by an automated deviceAMPERSAND INC·Filed 2017·Granted Jul 3, 2018·9 cites·24 claims
- 0281US9053711B1Method of matching a digitized stream of audio signals to a known audio recordingAMPERSAND INC·Filed 2013·Granted Jun 9, 2015·9 cites·20 claims
- 0378US9679584B1Method of matching a digitized stream of audio signals to a known audio recordingAMPERSAND INC·Filed 2015·Granted Jun 13, 2017·4 cites·23 claims
- 0457US4738420AAutomotive dashboard radio mounting assemblyAMPERSAND INC·Filed 1986·Granted Apr 19, 1988·25 cites·14 claims
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