Padlock Patent — Combination
Inventor: Lindberg, Emil I.
View on USPTO / Google Patents ↗Classification: 70/25
| Patent Number | 1481380 |
|---|---|
| Issue Date | January 22, 1924 |
| Inventor | Lindberg, Emil I. |
| Patent Type | Combination |
| External Link | https://patents.google.com/patent/US1481380 ↗ |