Yale bought Miller in 1925. This original mechanism patent was used on some padlocks. | Classification: 70/309
| Patent Number | 897228 |
|---|---|
| Issue Date | August 25, 1908 |
| Inventor | Soley, Frank |
| Assigned To | Miller Lock Co. |
| Patent Type | Combination |
| External Link | https://patents.google.com/patent/US897228 ↗ |