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Padlock Patent — Keyed

Patent 4102161

Inventor: Paul R. Proefrock

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Patent # 4102161
Issue Date 1977-12-05
Inventor Paul R. Proefrock
Assigned To Sargent and Greenleaf Inc
Type Keyed

Patent Drawings

Patent 4102161 drawing 1 Drawing 1 Patent 4102161 drawing 2 Drawing 2 Patent 4102161 drawing 3 Drawing 3

Patent Details

Patent Number 4102161
Issue Date 1977-12-05
Inventor Paul R. Proefrock
Assigned To Sargent and Greenleaf Inc
Patent Type Keyed
External Link https://patents.google.com/patent/US4102161/en ↗
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