| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 5 | |
| #2 | United Kingdom | 4 | |
| #3 | Spain | 1 | |
| #4 | France | 1 |
| # | Industry | |
|---|---|---|
| #1 | Consumer goods | |
| #2 | Machines |
| # | Technology | |
|---|---|---|
| #1 | Writing or drawing tools | |
| #2 | Certain plastics | |
| #3 | Shaping of plastics | |
| #4 | Producing goods from plastic |
| # | Name | Total Patents |
|---|---|---|
| #1 | Young Donald H | 4 |
| #2 | William Tonkowich | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US2881737A | Fountain pen feed construction | |
| US2782762A | Snap-action cap for fountain pen or the like | |
| US2987044A | Fountain pen nib mounting | |
| GB772321A | Heat sealed thermoplastic tubes and method of manufacture thereof | |
| GB802504A | Deformable container and method of making the same | |
| US2802448A | Fountain pen construction and ink cartridge therefor | |
| US2770221A | Fountain pen |