Assignee
CHANG FREDDIE
US·3 granted patents·68 citations·filing 2004–2010
Top patents by PatentIndex Score
3 records- 0180US7013588B2Floating massage pad structureCHANG FREDDIE·Filed 2004·Granted Mar 21, 2006·61 cites·9 claims
- 0263US8171926B2Fire igniter of carbonaceous fuelCHANG FREDDIE·Filed 2008·Granted May 8, 2012·5 cites·15 claims
- 0361US8281778B2Venting system for a stoveCHANG FREDDIE·Filed 2010·Granted Oct 9, 2012·2 cites·11 claims
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →