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Patent 1490453
Padlock Patent — Keyed
Patent 1490453
Inventor:
Yancey Q Caldwell
View on USPTO / Google Patents ↗
Patent #
1490453
Issue Date
1923-03-14
Inventor
Yancey Q Caldwell
Type
Keyed
Patent Drawings
Drawing 1
Drawing 2
Patent Details
Patent Number
1490453
Issue Date
1923-03-14
Inventor
Yancey Q Caldwell
Patent Type
Keyed
External Link
https://patents.google.com/patent/US1490453/en ↗
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