Assignee
CALVO DAVID C
US·2 granted patents·3 citations·filing 2011–2015
Top patents by PatentIndex Score
2 records- 0164US8578759B2Undersea pipeline intrusion detection system using low-frequency guided acoustic waves and distributed optical fiberCALVO DAVID C·Filed 2011·Granted Nov 12, 2013·3 cites·16 claims
- 0224US9922638B2Acoustic fresnel zone plate lens for aqueous environments and methods of using sameCALVO DAVID C·Filed 2015·Granted Mar 20, 2018·0 cites·20 claims
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