Padlock Patent — Combo
Inventor: Ellsworth E Quaintance
View on USPTO / Google Patents ↗| Patent Number | 1376639 |
|---|---|
| Issue Date | 1920-01-13 |
| Inventor | Ellsworth E Quaintance |
| Assigned To | QUAINT MANUFACTURING Co |
| Patent Type | Combo |
| External Link | https://patents.google.com/patent/US1376639/en ↗ |