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Padlock Patent — Combo

Patent 1920116

Inventor: Elmer B Stone

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Patent # 1920116
Issue Date 1931-08-06
Inventor Elmer B Stone
Assigned To Emhart Industries Inc
Type Combo

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Patent Details

Patent Number 1920116
Issue Date 1931-08-06
Inventor Elmer B Stone
Assigned To Emhart Industries Inc
Patent Type Combo
External Link https://patents.google.com/patent/US1920116/en ↗

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