Assignee
CHANG WEN-KWEI
1 granted patent·4 pending applications·3 citations·filing 2004–2008
Top patents by PatentIndex Score
5 records- 0153US7712340B2Lock structureCHANG WEN-KWEI·Filed 2008·Granted May 11, 2010·3 cites·10 claims
- 0237US2006137416A1Lock core reinforced structure device with two different metallic partsCHANG WEN-KWEI·Filed 2004·Application pending·0 cites
- 0336US2005217329A1Anti-drilling structure of a latchCHANG WEN-KWEI·Filed 2004·Application pending·0 cites
- 0433US2009113950A1Lock structureCHANG WEN-KWEI·Filed 2007·Application pending·0 cites
- 0530US2006117633A1Core structure of a gun trigger lockCHANG WEN-KWEI·Filed 2004·Application pending·0 cites
Join the waitlist — get patent alerts
Get an alert when CHANG WEN-KWEI files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →