Est. March 2001  ·  10,247 Listings on File

Padlock Patent — Combo

Patent 4860561

Inventor: Blake Hwang

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Patent # 4860561
Issue Date 1989-03-01
Inventor Blake Hwang
Type Combo

Patent Drawings

Patent 4860561 drawing 1 Drawing 1 Patent 4860561 drawing 2 Drawing 2 Patent 4860561 drawing 3 Drawing 3

Patent Details

Patent Number 4860561
Issue Date 1989-03-01
Inventor Blake Hwang
Patent Type Combo
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