Padlock Patent — Misc
Inventor: Marr, Robert Duckett; Marr, Stuart Duncan
View on USPTO / Google Patents ↗Classification: 00/00
| Patent Number | 1381726 |
|---|---|
| Issue Date | June 14, 1921 |
| Inventor | Marr, Robert Duckett; Marr, Stuart Duncan |
| Patent Type | Misc |
| External Link | https://patents.google.com/patent/US1381726 ↗ |
