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Padlock Patent — Keyed

Patent 1978391

Inventor: Elmer B Stone

View on USPTO / Google Patents ↗
Patent # 1978391
Issue Date 1934-03-30
Inventor Elmer B Stone
Assigned To Emhart Industries Inc
Type Keyed

Patent Drawings

Patent 1978391 drawing 1 Drawing 1 Patent 1978391 drawing 2 Drawing 2

Patent Details

Patent Number 1978391
Issue Date 1934-03-30
Inventor Elmer B Stone
Assigned To Emhart Industries Inc
Patent Type Keyed
External Link https://patents.google.com/patent/US1978391/en ↗

Padlocks Using This Patent

1 listing
"CORBIN"
#7702
"CORBIN"
Corbin Cabinet Lock Co.
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