Padlock Patent — Seal
Inventor: Campanile, Jose Alfredo
View on USPTO / Google Patents ↗Classification: 70/50
| Patent Number | 1962550 |
|---|---|
| Issue Date | June 12, 1934 |
| Inventor | Campanile, Jose Alfredo |
| Patent Type | Seal |
| External Link | https://patents.google.com/patent/US1962550 ↗ |