Assignee
CHEN SAN-CHING
TW·1 granted patent·2 pending applications·0 citations·filing 2014–2019
Top patents by PatentIndex Score
3 records- 0122US11148155B2Spray deviceCHEN SAN CHING·Filed 2019·Granted Oct 19, 2021·0 cites·17 claims
- 0222US2016175862A1Environmentally friendly low-pressure spray apparatusCHEN SAN-CHING·Filed 2014·Application pending·0 cites
- 0317US2018117611A1Low-pressure and low-noise spray deviceCHEN SAN CHING·Filed 2017·Application pending·0 cites
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