Patented April 20, 1886
If an object in your hands says PAT. APRIL 20, 1886, it may be one of these.
| Patent | Title | Inventor | Of |
|---|---|---|---|
| US 340,319 | PADLOCK. | Milton Jackson | Philadelphia, Pennsylvania |
Three centuries of keeping things shut
If an object in your hands says PAT. APRIL 20, 1886, it may be one of these.
| Patent | Title | Inventor | Of |
|---|---|---|---|
| US 340,319 | PADLOCK. | Milton Jackson | Philadelphia, Pennsylvania |