| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Germany | 7 | |
| #2 | United Kingdom | 5 | |
| #3 | United States | 2 |
| # | Industry | |
|---|---|---|
| #1 | Computer technology | |
| #2 | Textiles and paper | |
| #3 | Control |
| # | Technology | |
|---|---|---|
| #1 | Mechanically computing digital computers | |
| #2 | Typewriters | |
| #3 | Money sorting |
| # | Name | Total Patents |
|---|---|---|
| #1 | Alois Knotz | 2 |
| Publication | Filing date | Title |
|---|---|---|
| GB508758A | Indicating device for cash registers and calculating machines | |
| GB467794A | Indicating device for cash registers | |
| US2164528A | Money plate | |
| US1960636A | Indicating device | |
| GB346312A | Improvements in ribbon devices for the multiple printing mechanism of office machines and cash registers | |
| GB319699A | Feeding-device for the paper strip of adding machines and cash registers | |
| GB287035A | Improvements relating to ink-ribbon guides for use in adding machines |