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Padlock Patent — Combo

Patent 2137967

Inventor: Elmer B Stone

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Patent # 2137967
Issue Date 1932-03-25
Inventor Elmer B Stone
Assigned To Emhart Industries Inc
Type Combo

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Patent Details

Patent Number 2137967
Issue Date 1932-03-25
Inventor Elmer B Stone
Assigned To Emhart Industries Inc
Patent Type Combo
External Link https://patents.google.com/patent/US2137967/en ↗

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