Est. March 2001  ·  10,247 Listings on File

Padlock Patent — Combo

Patent 4742700

Inventor: Chong-Kuan Ling

View on USPTO / Google Patents ↗
Patent # 4742700
Issue Date 1987-08-24
Inventor Chong-Kuan Ling
Assigned To Ling Chong Kuan
Type Combo

Patent Drawings

Patent 4742700 drawing 1 Drawing 1 Patent 4742700 drawing 2 Drawing 2 Patent 4742700 drawing 3 Drawing 3

Patent Details

Patent Number 4742700
Issue Date 1987-08-24
Inventor Chong-Kuan Ling
Assigned To Ling Chong Kuan
Patent Type Combo
External Link https://patents.google.com/patent/US4742700/en ↗
← 4747281
↑ Back to Patent Database
4747281 →