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Patent 1140285
Padlock Patent — Keyed
Patent 1140285
Inventor:
Frank Prokop
View on USPTO / Google Patents ↗
Patent #
1140285
Issue Date
1914-07-07
Inventor
Frank Prokop
Type
Keyed
Patent Drawings
Drawing 1
Drawing 2
Patent Details
Patent Number
1140285
Issue Date
1914-07-07
Inventor
Frank Prokop
Patent Type
Keyed
External Link
https://patents.google.com/patent/US1140285/en ↗
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