Patented April 28, 1891
If an object in your hands says PAT. APRIL 28, 1891, it may be one of these.
| Patent | Title | Inventor | Of |
|---|---|---|---|
| US 451,110 | PADLOCK. | Willard D. Doremus | Washington, District of Columbia |
Three centuries of keeping things shut
If an object in your hands says PAT. APRIL 28, 1891, it may be one of these.
| Patent | Title | Inventor | Of |
|---|---|---|---|
| US 451,110 | PADLOCK. | Willard D. Doremus | Washington, District of Columbia |