Padlock Patent — Combo
Inventor: Guise Joseph Alexis Philipp De
View on USPTO / Google Patents ↗| Patent Number | 1432677 |
|---|---|
| Issue Date | 1921-05-07 |
| Inventor | Guise Joseph Alexis Philipp De |
| Patent Type | Combo |
| External Link | https://patents.google.com/patent/US1432677/en ↗ |