Est. March 2001  ·  10,244 Listings on File

Padlock Patent — Combo

Patent 1257013

Inventor: Henry O Nielsen

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Patent # 1257013
Issue Date 1917-07-28
Inventor Henry O Nielsen
Type Combo

Patent Drawings

Patent 1257013 drawing 1 Drawing 1

Patent Details

Patent Number 1257013
Issue Date 1917-07-28
Inventor Henry O Nielsen
Patent Type Combo
External Link https://patents.google.com/patent/US1257013/en ↗
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