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Padlock Patent — Combo

Patent 4970881

Inventor: Li-Chuan Hsiao

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Patent # 4970881
Issue Date 1989-02-03
Inventor Li-Chuan Hsiao
Type Combo

Patent Drawings

Patent 4970881 drawing 1 Drawing 1 Patent 4970881 drawing 2 Drawing 2 Patent 4970881 drawing 3 Drawing 3

Patent Details

Patent Number 4970881
Issue Date 1989-02-03
Inventor Li-Chuan Hsiao
Patent Type Combo
External Link https://patents.google.com/patent/US4970881/en ↗
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