Assignee

CHENG KAREN

TW·2 granted patents·69 citations·filing 1986–2012

Technology mixB62B1 G06F1

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2 records

0185US4765646ACollapsible shopping cartCHENG KAREN·Filed 1986·Granted Aug 23, 1988·69 cites·3 claims
0242US10209864B2UI differentiation between delete and clearCHENG KAREN·Filed 2012·Granted Feb 19, 2019·0 cites·19 claims

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