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Padlock Patent — Keyed

Patent 1928215

Inventor: Fritz H Steffen

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Patent # 1928215
Issue Date 1932-08-29
Inventor Fritz H Steffen
Type Keyed

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Patent Details

Patent Number 1928215
Issue Date 1932-08-29
Inventor Fritz H Steffen
Patent Type Keyed
External Link https://patents.google.com/patent/US1928215/en ↗
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