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Patent 638076
Padlock Patent — Combo
Patent 638076
Inventor:
Conrad Studer
View on USPTO / Google Patents ↗
Patent #
638076
Issue Date
1899-07-21
Inventor
Conrad Studer
Type
Combo
Patent Drawings
Drawing 1
Patent Details
Patent Number
638076
Issue Date
1899-07-21
Inventor
Conrad Studer
Patent Type
Combo
External Link
https://patents.google.com/patent/US638076/en ↗
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