Padlock Patent — Combination
Inventor: Slingerland, William
View on USPTO / Google Patents ↗Classification: 70/236
| Patent Number | 601047 |
|---|---|
| Issue Date | March 22, 1898 |
| Inventor | Slingerland, William |
| Patent Type | Combination |
| External Link | https://patents.google.com/patent/US601047 ↗ |