Assignee
CHANG CHING-FENG
2 granted patents·1 pending application·42 citations·filing 1999–2008
Top patents by PatentIndex Score
3 records- 0188US7543952B1Lighting fixture for aquariumCHANG CHING FENG·Filed 2008·Granted Jun 9, 2009·30 cites·11 claims
- 0262USD426474SAngle gaugeCHANG CHING-FENG·Filed 1999·Granted Jun 13, 2000·12 cites·1 claims
- 0349US2007051321A1Aquarium cover having an extendible and retractable extension cover memberCHANG CHING-FENG·Filed 2005·Application pending·0 cites
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →