Clarke's first patent for this mechanism was for a drawer lock. | Classification: 70/298
| Patent Number | 6959 |
|---|---|
| Issue Date | February 29, 1876 |
| Inventor | Clarke, Henry |
| Assigned To | Clarke Lock Co. |
| Patent Type | Combination |
| External Link | https://patents.google.com/patent/US6959 ↗ |
