Assignee
HANCOCK DAVID A
US·3 granted patents·32 citations·filing 1988–2012
Top patents by PatentIndex Score
3 records- 0153US4950107AAudible alarm device for diversHANCOCK DAVID A·Filed 1988·Granted Aug 21, 1990·16 cites·6 claims
- 0246US5106236AAudible alarm device for divers and othersHANCOCK DAVID A·Filed 1990·Granted Apr 21, 1992·16 cites·6 claims
- 0343US8973516B2Pneumatic signaling device for scuba diversHANCOCK DAVID A·Filed 2012·Granted Mar 10, 2015·0 cites·9 claims
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