Est. March 2001  ·  10,244 Listings on File

Padlock Patent — Combo+Keyed

Patent 2378768

Inventor: Frederic K Heyer

View on USPTO / Google Patents ↗
Patent # 2378768
Issue Date 1943-11-27
Inventor Frederic K Heyer
Assigned To Yale and Towne Manufacturing Co
Type Combo+Keyed

Patent Drawings

Patent Details

Patent Number 2378768
Issue Date 1943-11-27
Inventor Frederic K Heyer
Assigned To Yale and Towne Manufacturing Co
Patent Type Combo+Keyed
External Link https://patents.google.com/patent/US2378768/en ↗

Padlocks Using This Patent

1 listing
↑ Back to Patent Database