| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 10 | |
| #2 | United Kingdom | 1 |
| # | Industry | |
|---|---|---|
| #1 | Consumer goods | |
| #2 | Machines |
| # | Technology | |
|---|---|---|
| #1 | Writing or drawing tools | |
| #2 | Unspecified technologies | |
| #3 | Shaping of plastics | |
| #4 | Books | |
| #5 | Certain plastics | |
| #6 | Office accessories | |
| #7 | Fillers |
| # | Name | Total Patents |
|---|---|---|
| #1 | Marx Finstone | 6 |
| #2 | David Klein | 3 |
| #3 | Plancher Lillian | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US1648545A | Pad-holding desk set | |
| US1648544A | Swivel pen support for desk sets | |
| GB265005A | Improvements in art of manufacturing fountain pen caps and barrels | |
| US1610275A | Pen and pencil clip | |
| US1576588A | Art of manufacturing fountain-pen caps and barrels | |
| US1468025A | Clip for fountain pens | |
| US1475954A | Self-filling fountain pen | |
| US1475953A | Lever for self-filler fountain pens | |
| US1402409A | Fountain pen | |
| US1411715A | Magazine pencil | |
| US1301317A | Fountain-pen. |