Assignee
SHANGHAI HINGWAH HONEYCOMB TECH DEVELOPMENT CO LTD
CN·2 granted patents·3 citations·filing 2016–2017
Top patents by PatentIndex Score
2 records- 0175US10538192B2Extension structure with expandable spaceSHANGHAI HINGWAH HONEYCOMB TECH DEVELOPMENT CO LTD·Filed 2016·Granted Jan 21, 2020·3 cites·9 claims
- 0238US10337555B2Folding and unfolding mechanismSHANGHAI HINGWAH HONEYCOMB TECH DEVELOPMENT CO LTD·Filed 2017·Granted Jul 2, 2019·0 cites·9 claims
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