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Padlock Patent — Keyed

Patent 2117515

Inventor: Sinner Emil

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Patent # 2117515
Issue Date 1937-03-24
Inventor Sinner Emil
Type Keyed

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Patent Details

Patent Number 2117515
Issue Date 1937-03-24
Inventor Sinner Emil
Patent Type Keyed
External Link https://patents.google.com/patent/US2117515/en ↗
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