Est. March 2001  ·  10,244 Listings on File

Padlock Patent — Keyed

Patent 686882

Inventor: Waldo R Ballou

View on USPTO / Google Patents ↗
Patent # 686882
Issue Date 1901-01-07
Inventor Waldo R Ballou
Assigned To Yale and Towne Manufacturing Co
Type Keyed

Patent Drawings

Patent 686882 drawing 1 Drawing 1

Patent Details

Patent Number 686882
Issue Date 1901-01-07
Inventor Waldo R Ballou
Assigned To Yale and Towne Manufacturing Co
Patent Type Keyed
External Link https://patents.google.com/patent/US686882/en ↗

Padlocks Using This Patent

1 listing
"YALE" - Trefoil
#1302
"YALE" - Trefoil
Yale & Towne Mfg. Co. William H. Bramble Waldo R. Ballou . (PK-MS-012P-S2P)
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