Patented May 4, 1886
If an object in your hands says PAT. MAY 4, 1886, it may be one of these.
| Patent | Title | Inventor | Of |
|---|---|---|---|
| US 341,390 | PEN. | Christian Rohn | Providence, Rhode Island |
The Fountain Pen Patent Archive
The instruments that put ink under pressure
If an object in your hands says PAT. MAY 4, 1886, it may be one of these.
| Patent | Title | Inventor | Of |
|---|---|---|---|
| US 341,390 | PEN. | Christian Rohn | Providence, Rhode Island |