Padlock Patent — Combination
Inventor: Young, William C.
View on USPTO / Google Patents ↗Classification: 70/300
| Patent Number | 449924 |
|---|---|
| Issue Date | April 7, 1891 |
| Inventor | Young, William C. |
| Patent Type | Combination |
| External Link | https://patents.google.com/patent/US449924 ↗ |
