Padlock Patent — Combo+Keyed
Inventor: Kuo-Tsung Yang
View on USPTO / Google Patents ↗| Patent Number | 6539761 |
|---|---|
| Issue Date | 2001-06-28 |
| Inventor | Kuo-Tsung Yang |
| Assigned To | Jin Tay Industries Co Ltd |
| Patent Type | Combo+Keyed |
| External Link | https://patents.google.com/patent/US6539761/en ↗ |