Assignee
HAN DAVID
US·4 granted patents·1 pending application·65 citations·filing 2004–2022
Top patents by PatentIndex Score
5 records- 0172US7245735B2Earmuff structure for headset or ear protectorHAN DAVID·Filed 2004·Granted Jul 17, 2007·53 cites·5 claims
- 0256US6961436B1Noise-protecting arrangement for ear protectorHAN DAVID·Filed 2004·Granted Nov 1, 2005·12 cites·3 claims
- 0353US12042711B2Golf swing training deviceHAN DAVID·Filed 2022·Granted Jul 23, 2024·0 cites·19 claims
- 0452US2013254099A1Online Method and System for an Invitation to bear witness for Union SeparationsHAN DAVID·Filed 2012·Application pending·0 cites
- 0535USD1033649SVision focus deviceHAN DAVID·Filed 2022·Granted Jul 2, 2024·0 cites·1 claims
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →