Est. March 2001  ·  10,247 Listings on File

Padlock Patent — Keyed

Patent 7712340

Inventor: Wen-Kwei Chang

View on USPTO / Google Patents ↗
Patent # 7712340
Issue Date 2008-04-30
Inventor Wen-Kwei Chang
Type Keyed

Patent Drawings

Patent 7712340 drawing 1 Drawing 1 Patent 7712340 drawing 2 Drawing 2 Patent 7712340 drawing 3 Drawing 3

Patent Details

Patent Number 7712340
Issue Date 2008-04-30
Inventor Wen-Kwei Chang
Patent Type Keyed
External Link https://patents.google.com/patent/US7712340/en ↗
← 7775071
↑ Back to Patent Database
7775071 →