| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Germany | 9 | |
| #2 | France | 3 | |
| #3 | Switzerland | 2 |
| # | Industry | |
|---|---|---|
| #1 | Consumer goods |
| # | Technology | |
|---|---|---|
| #1 | Writing or drawing tools | |
| #2 | Goods for writing upon |
| # | Name | Total Patents |
|---|---|---|
| #1 | Fischer Walter | 3 |
| #2 | Kunkel Christoph | 2 |
| #3 | Uhu-Werk H U M Fischer O H G | 2 |
| #4 | Axtmann Dipl-Ing Otto | 1 |
| Publication | Filing date | Title |
|---|---|---|
| DE835416C | Insert vessel for hollow container | |
| DE824000C | Actuating device for filler holder with suction piston | |
| DE829714C | Sealing cap screw connection on pens | |
| DE804769C | Ballpoint pen bearings | |
| DE806413C | Ballpoint pen filled with liquid ink |