Individual holder

LEUNG DWIGHT N

US·2 granted patents·37 citations·filing 2016–2016

Individually held — no corporate assignee on record.

Technology mixA47D1 A47G1 A63F1 A63H1 G09B1

Top patents by PatentIndex Score

2 records

0187US9713776B1Collapsible and portable shape-sorting learning and development toyLEUNG DWIGHT N·Filed 2016·Granted Jul 25, 2017·20 cites·11 claims
0268USD847269SCollapsible and portable shape-sorting learning and development toyLEUNG DWIGHT N·Filed 2016·Granted Apr 30, 2019·17 cites·1 claims

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