| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Germany | 21 | |
| #2 | United Kingdom | 3 | |
| #3 | United States | 2 |
| # | Industry | |
|---|---|---|
| #1 | Textiles and paper | |
| #2 | Packaging and shipping |
| # | Technology | |
|---|---|---|
| #1 | Handling thin material | |
| #2 | Copy machines | |
| #3 | Photographic composing devices | |
| #4 | Printing processes | |
| #5 | Reproduction of printing surfaces | |
| #6 | Printing plates |
| # | Name | Total Patents |
|---|---|---|
| #1 | Armin Breuer | 2 |
| #2 | Arno Heyn | 1 |
| Publication | Filing date | Title |
|---|---|---|
| GB491634A | Improvements in or relating to stencil sheets | |
| GB426149A | Improvements in sheet feeding devices, more particularly for office printing machines | |
| US2032166A | Paper conveying device for sheets, especially for use in office printing machines | |
| US1494581A | Duplicating apparatus | |
| GB146254A | A duplicating apparatus in which the printing is effected by the aid of a stencil |