Est. March 2001 ·
10,244
Listings on File
Antique Padlocks
A Virtual Repository · James Brady
Home
›
Patent Database
›
Patent 1920116
Padlock Patent — Combo
Patent 1920116
Inventor:
Elmer B Stone
View on USPTO / Google Patents ↗
Patent #
1920116
Issue Date
1931-08-06
Inventor
Elmer B Stone
Assigned To
Emhart Industries Inc
Type
Combo
Patent Drawings
Drawing 1
Drawing 2
Patent Details
Patent Number
1920116
Issue Date
1931-08-06
Inventor
Elmer B Stone
Assigned To
Emhart Industries Inc
Patent Type
Combo
External Link
https://patents.google.com/patent/US1920116/en ↗
Padlocks Using This Patent
1 listing
#5690
"CORBIN"
Corbin Cabinet Lock Co.
→
← 1920250
↑ Back to Patent Database
1920250 →