Est. March 2001  ·  10,246 Listings on File

Padlock Patent — Keyed

Patent 1912663

Inventor: Lyle B Shinn

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Patent # 1912663
Issue Date 1931-06-22
Inventor Lyle B Shinn
Assigned To Chicago Lock Co
Type Keyed

Patent Drawings

Patent 1912663 drawing 1 Drawing 1 Patent 1912663 drawing 2 Drawing 2 Patent 1912663 drawing 3 Drawing 3

Patent Details

Patent Number 1912663
Issue Date 1931-06-22
Inventor Lyle B Shinn
Assigned To Chicago Lock Co
Patent Type Keyed
External Link https://patents.google.com/patent/US1912663/en ↗
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