Padlock Patent — Pin Tumbler
Inventor: Manual, Augustus
View on USPTO / Google Patents ↗Classification: 00/00
| Patent Number | 1484181 |
|---|---|
| Issue Date | February 19, 1924 |
| Inventor | Manual, Augustus |
| Patent Type | Pin Tumbler |
| External Link | https://patents.google.com/patent/US1484181 ↗ |