| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Switzerland | 8 | |
| #2 | United Kingdom | 4 | |
| #3 | France | 3 | |
| #4 | Austria | 2 |
| # | Industry | |
|---|---|---|
| #1 | Textiles and paper | |
| #2 | Optics |
| # | Technology | |
|---|---|---|
| #1 | Typewriters | |
| #2 | Photomechanical semiconductor production | |
| #3 | Photographic composing devices |
| Publication | Filing date | Title |
|---|---|---|
| GB252157A | Improvements in apparatus for registering the writing or casting position of a line for line-printing typewriters, type-composing machines or the like | |
| GB251990A | Improvements in or relating to line-printing typewriters or like machines | |
| GB251962A | An improved keyboard for line-printing typewriters or type-composing machines | |
| GB250217A | An improved method of and means for aligning the type-carriers of line-printing typewriters |