Padlock Patent — Combo+Keyed
Inventor: Mathias M Check
View on USPTO / Google Patents ↗| Patent Number | 2931204 |
|---|---|
| Issue Date | 1956-10-05 |
| Inventor | Mathias M Check |
| Assigned To | Yale and Towne Manufacturing Co |
| Patent Type | Combo+Keyed |
| External Link | https://patents.google.com/patent/US2931204/en ↗ |
