Est. March 2001  ·  10,246 Listings on File

Padlock Patent — Seal

Patent 4620

Inventor: Lyon, John H.

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Patent # 4620
Issue Date October 31, 1871
Inventor Lyon, John H.
Type Seal

Patent Drawings

Patent 4620 drawing 1 Drawing 1 Patent 4620 drawing 2 Drawing 2

Patent Notes

Classification: 70/50

Patent Details

Patent Number 4620
Issue Date October 31, 1871
Inventor Lyon, John H.
Patent Type Seal
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