Padlock Patent — Lever
Inventor: Caldwell, Yancey Q.
View on USPTO / Google Patents ↗Classification: 70/9
| Patent Number | 1003332 |
|---|---|
| Issue Date | September 12, 1911 |
| Inventor | Caldwell, Yancey Q. |
| Patent Type | Lever |
| External Link | https://patents.google.com/patent/US1003332 ↗ |