| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 9 | |
| #2 | Switzerland | 1 | |
| #3 | Germany | 1 | |
| #4 | France | 1 | |
| #5 | United Kingdom | 1 |
| # | Industry | |
|---|---|---|
| #1 | Consumer goods | |
| #2 | Machines | |
| #3 | Materials and metallurgy | |
| #4 | Machine tools |
| # | Technology | |
|---|---|---|
| #1 | Writing or drawing tools | |
| #2 | Unspecified technologies | |
| #3 | Casting metal | |
| #4 | Metal-working |
| # | Name | Total Patents |
|---|---|---|
| #1 | Pollock Robert T | 7 |
| #2 | Pen Company Pollock | 1 |
| #3 | Olson Theodore A | 1 |
| #4 | Murdock Julian H | 1 |
| #5 | Theobald George A | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US1574919A | Fountain pen | |
| US1645167A | Die-casting machine | |
| US1724107A | Fountain pen | |
| US1671125A | Ink cartridge | |
| US1600012A | Machine for inserting pen points and ink feeds in fountain-pen barrels | |
| US1657033A | Fountain pen | |
| US1658940A | Fountain pen | |
| US1724106A | Cartridge pen | |
| US1641096A | Clip or fastener |