Padlock Patent — Keyed
Inventor: Mehren Oswald D Von
View on USPTO / Google Patents ↗| Patent Number | 1819853 |
|---|---|
| Issue Date | 1928-05-10 |
| Inventor | Mehren Oswald D Von |
| Assigned To | MEHREN LOCK Co Inc |
| Patent Type | Keyed |
| External Link | https://patents.google.com/patent/US1819853/en ↗ |