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Padlock Patent — Keyed

Patent 5678431

Inventor: Yu-Yang Yan

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Patent # 5678431
Issue Date 1996-04-02
Inventor Yu-Yang Yan
Type Keyed

Patent Drawings

Patent 5678431 drawing 1 Drawing 1 Patent 5678431 drawing 2 Drawing 2 Patent 5678431 drawing 3 Drawing 3

Patent Details

Patent Number 5678431
Issue Date 1996-04-02
Inventor Yu-Yang Yan
Patent Type Keyed
External Link https://patents.google.com/patent/US5678431/en ↗
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