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Patent 1621347
Padlock Patent — Keyed
Patent 1621347
Inventor:
Biemer Heinrich
View on USPTO / Google Patents ↗
Patent #
1621347
Issue Date
1922-03-18
Inventor
Biemer Heinrich
Type
Keyed
Patent Drawings
Drawing 1
Drawing 2
Patent Details
Patent Number
1621347
Issue Date
1922-03-18
Inventor
Biemer Heinrich
Patent Type
Keyed
External Link
https://patents.google.com/patent/US1621347/en ↗
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