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Padlock Patent — Keyed

Patent 4137739

Inventor: Ernst Keller

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Patent # 4137739
Issue Date 1977-08-30
Inventor Ernst Keller
Type Keyed

Patent Drawings

Patent 4137739 drawing 1 Drawing 1 Patent 4137739 drawing 2 Drawing 2 Patent 4137739 drawing 3 Drawing 3

Patent Details

Patent Number 4137739
Issue Date 1977-08-30
Inventor Ernst Keller
Patent Type Keyed
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