| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Switzerland | 3 | |
| #2 | United Kingdom | 3 | |
| #3 | Austria | 2 | |
| #4 | Spain | 2 | |
| #5 | United States | 2 |
| # | Industry | |
|---|---|---|
| #1 | Computer technology | |
| #2 | Textiles and paper |
| # | Technology | |
|---|---|---|
| #1 | Mechanically computing digital computers | |
| #2 | Copy machines |
| # | Name | Total Patents |
|---|---|---|
| #1 | Bordt Adolf | 9 |
| #2 | Adolf Bordt | 1 |
| #3 | Hermann Buschbeck | 1 |
| Publication | Filing date | Title |
|---|---|---|
| GB191120596A | Improvements in Printing Mechanism for Adding Machines. | |
| GB191021602A | Improvements in Adding Machines. | |
| US1059522A | Adding-machine. | |
| US1012976A | Adding-machine. | |
| GB190905214A | Adding Machine. |