| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Switzerland | 9 | |
| #2 | United Kingdom | 3 | |
| #3 | Germany | 2 |
| # | Industry | |
|---|---|---|
| #1 | Textiles and paper | |
| #2 | Consumer goods |
| # | Technology | |
|---|---|---|
| #1 | Typewriters | |
| #2 | Filing and indexing |
| # | Name | Total Patents |
|---|---|---|
| #1 | Soehne Aug Birchmeier S | 7 |
| #2 | Leo Troxler | 1 |
| #3 | Fritz Rohr | 1 |
| #4 | Birchmeier-Hunziker August | 1 |
| Publication | Filing date | Title |
|---|---|---|
| DE938064C | Type lever drive, especially for low-level typewriters | |
| GB689940A | Improvements in and relating to typewriter cases | |
| GB693790A | Improvements in and relating to framework for typewriters | |
| DE844598C | Support plate for portable typewriters | |
| GB686346A | Improvements in and relating to base plates for typewriters |