Patented July 30, 1889
If an object in your hands says PAT. JULY 30, 1889, it may be one of these.
| Patent | Title | Inventor | Of |
|---|---|---|---|
| US 407,999 | FOUNTAIN-PEN. | Dewitt C. Demarest | Denver, Colorado |
The Fountain Pen Patent Archive
The instruments that put ink under pressure
If an object in your hands says PAT. JULY 30, 1889, it may be one of these.
| Patent | Title | Inventor | Of |
|---|---|---|---|
| US 407,999 | FOUNTAIN-PEN. | Dewitt C. Demarest | Denver, Colorado |