Padlock Patent — Combination
Inventor: Brooke, William M.
View on USPTO / Google Patents ↗Some padlocks are stamped with this original mechanism patent date. | Classification: 70/312
| Patent Number | 297749 |
|---|---|
| Issue Date | April 29, 1884 |
| Inventor | Brooke, William M. |
| Patent Type | Combination |
| External Link | https://patents.google.com/patent/US297749 ↗ |