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Patent 20090113950
Padlock Patent — Keyed
Patent 20090113950
Inventor:
Wen-Kwei Chang
View on USPTO / Google Patents ↗
Patent #
20090113950
Issue Date
2007-11-07
Inventor
Wen-Kwei Chang
Type
Keyed
Patent Drawings
Drawing 1
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Patent Details
Patent Number
20090113950
Issue Date
2007-11-07
Inventor
Wen-Kwei Chang
Patent Type
Keyed
External Link
https://patents.google.com/patent/US20090113950/en ↗
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