Padlock Patent — Warded
Inventor: Constantinides, Alexandre N.
View on USPTO / Google Patents ↗Classification: 70/18
| Patent Number | 1160694 |
|---|---|
| Issue Date | November 16, 1915 |
| Inventor | Constantinides, Alexandre N. |
| Patent Type | Warded |
| External Link | https://patents.google.com/patent/US1160694 ↗ |