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Padlock Patent — Combo

Patent 1283977

Inventor: John Troyanek

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Patent # 1283977
Issue Date 1917-12-10
Inventor John Troyanek
Type Combo

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Patent Details

Patent Number 1283977
Issue Date 1917-12-10
Inventor John Troyanek
Patent Type Combo
External Link https://patents.google.com/patent/US1283977/en ↗
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