| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Germany | 7 | |
| #2 | Austria | 4 | |
| #3 | France | 4 | |
| #4 | Switzerland | 2 | |
| #5 | Hungary | 1 |
| # | Industry | |
|---|---|---|
| #1 | Consumer goods |
| # | Technology | |
|---|---|---|
| #1 | Writing or drawing tools |
| # | Name | Total Patents |
|---|---|---|
| #1 | Mutschler Otto | 6 |
| #2 | Mutschler Fa Philipp | 1 |
| #3 | Otto Mutschler | 1 |
| #4 | Muefschler Otto | 1 |
| Publication | Filing date | Title |
|---|---|---|
| DE2808910A1 | INK REGULATOR FOR WRITING DEVICES | |
| HU173762B | Cone for writing materials |