Padlock Patent — Design
Inventor: Christenson, Roldolphe
View on USPTO / Google Patents ↗Classification: D8/335
| Patent Number | 11305 |
|---|---|
| Issue Date | July 29, 1879 |
| Inventor | Christenson, Roldolphe |
| Assigned To | Russell & Erwin Mfg. Co. |
| Patent Type | Design |
| External Link | https://patents.google.com/patent/US11305 ↗ |