Est. March 2001 ·
10,246
Listings on File
Antique Padlocks
A Virtual Repository · James Brady
Home
›
Patent Database
›
Patent 4551997
Padlock Patent — Keyed
Patent 4551997
Inventor:
Chung-I Huang
View on USPTO / Google Patents ↗
Patent #
4551997
Issue Date
1984-01-17
Inventor
Chung-I Huang
Type
Keyed
Patent Drawings
Drawing 1
Drawing 2
Drawing 3
Patent Details
Patent Number
4551997
Issue Date
1984-01-17
Inventor
Chung-I Huang
Patent Type
Keyed
External Link
https://patents.google.com/patent/US4551997/en ↗
← 4555920
↑ Back to Patent Database
4555920 →