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Patent 1256721
Padlock Patent — Keyed
Patent 1256721
Inventor:
William Alfred Murray
View on USPTO / Google Patents ↗
Patent #
1256721
Issue Date
1916-12-21
Inventor
William Alfred Murray
Type
Keyed
Patent Drawings
Drawing 1
Drawing 2
Patent Details
Patent Number
1256721
Issue Date
1916-12-21
Inventor
William Alfred Murray
Patent Type
Keyed
External Link
https://patents.google.com/patent/US1256721/en ↗
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