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Padlock Patent — Pin Tumbler

Patent 1385461

Inventor: McDonald, John K.

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Patent # 1385461
Issue Date July 26, 1921
Inventor McDonald, John K.
Assigned To Theft Warning Auto Lock Co.
Type Pin Tumbler

Patent Drawings

Patent Notes

Classification: 00/00

Patent Details

Patent Number 1385461
Issue Date July 26, 1921
Inventor McDonald, John K.
Assigned To Theft Warning Auto Lock Co.
Patent Type Pin Tumbler
External Link https://patents.google.com/patent/US1385461 ↗

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