Patented May 21, 1889
If an object in your hands says PAT. MAY 21, 1889, it may be one of these.
| Patent | Title | Inventor | Of |
|---|---|---|---|
| US 403,566 | RESERVOIR-BRUSH. | Walter H. Underwood | Yonkers, New York |
The Fountain Pen Patent Archive
The instruments that put ink under pressure
If an object in your hands says PAT. MAY 21, 1889, it may be one of these.
| Patent | Title | Inventor | Of |
|---|---|---|---|
| US 403,566 | RESERVOIR-BRUSH. | Walter H. Underwood | Yonkers, New York |