Est. March 2001  ·  10,246 Listings on File

Padlock Patent — Chain

Patent 6769277

Inventor: Chang, Wen-Kwei

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Patent # 6769277
Issue Date August 3, 2004
Inventor Chang, Wen-Kwei
Type Chain

Patent Drawings

Patent 6769277 drawing 1 Drawing 1 Patent 6769277 drawing 2 Drawing 2

Patent Notes

Classification: 70/52

Patent Details

Patent Number 6769277
Issue Date August 3, 2004
Inventor Chang, Wen-Kwei
Patent Type Chain
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