| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Austria | 8 | |
| #2 | Germany | 4 | |
| #3 | France | 4 | |
| #4 | Switzerland | 2 | |
| #5 | Canada | 1 | |
| #6 | Denmark | 1 | |
| #7 | Spain | 1 | |
| #8 | United Kingdom | 1 | |
| #9 | United States | 1 |
| # | Industry | |
|---|---|---|
| #1 | Computer technology | |
| #2 | Basic communication technologies |
| # | Technology | |
|---|---|---|
| #1 | Data recognition and presentation | |
| #2 | Electric digital data processing | |
| #3 | Pulse technique |
| # | Name | Total Patents |
|---|---|---|
| #1 | Drahomir Huebner Dipl-Ing | 2 |
| #2 | Volf Zdenek | 2 |
| #3 | Dr Svoboda Antonin Ing | 1 |
| #4 | Antonin Svoboda | 1 |
| #5 | Svoboda Antonin Dr Ing | 1 |
| #6 | Milos Metelec Dipl-Ing | 1 |
| #7 | Fedor Kment Dipl-Ing | 1 |
| #8 | Prague Antonin Svoboda | 1 |
| #9 | Jiri Vodehnal | 1 |
| Publication | Filing date | Title |
|---|---|---|
| GB1151283A | Device for High-Speed Feeding of Punched or Similar Cards | |
| ES236993A1 | A perforated card player apparatus for copying perforated cards. (Machine-translation by Google Translate, not legally binding) | |
| US2906458A | Decimal relay adding machine | |
| CA561574A | Punch card relay calculating perforating machine |