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Patent 1755521
Padlock Patent — Combo+Keyed
Patent 1755521
Inventor:
Bernard C Smith
View on USPTO / Google Patents ↗
Patent #
1755521
Issue Date
1928-05-21
Inventor
Bernard C Smith
Type
Combo+Keyed
Patent Drawings
Drawing 1
Drawing 2
Patent Details
Patent Number
1755521
Issue Date
1928-05-21
Inventor
Bernard C Smith
Patent Type
Combo+Keyed
External Link
https://patents.google.com/patent/US1755521/en ↗
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