This original mechanism was for safes and doors. This lock was manufactured by Lewis Jennings. | Classification: 70/134
| Patent Number | 7244 |
|---|---|
| Issue Date | April 2, 1850 |
| Inventor | Jennings, Lewis |
| Patent Type | Misc |
| External Link | https://patents.google.com/patent/US7244 ↗ |
