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Patent 1920489
Padlock Patent — Combo
Patent 1920489
Inventor:
Toscano Francisco
View on USPTO / Google Patents ↗
Patent #
1920489
Issue Date
1932-11-01
Inventor
Toscano Francisco
Type
Combo
Patent Drawings
Drawing 1
Drawing 2
Patent Details
Patent Number
1920489
Issue Date
1932-11-01
Inventor
Toscano Francisco
Patent Type
Combo
External Link
https://patents.google.com/patent/US1920489/en ↗
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