Assignee
OPPERMAN DAVID A
US·3 granted patents·13 citations·filing 2013–2018
Top patents by PatentIndex Score
3 records- 0182US10349823B2Retractor and tip extender thereforOPPERMAN DAVID A·Filed 2018·Granted Jul 16, 2019·5 cites·30 claims
- 0269US9750915B2Nasal cannula comfort tipOPPERMAN DAVID A·Filed 2013·Granted Sep 5, 2017·7 cites·15 claims
- 0366US10238373B1RetractorOPPERMAN DAVID A·Filed 2017·Granted Mar 26, 2019·1 cites·6 claims
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