| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Germany | 28 | |
| #2 | Switzerland | 5 | |
| #3 | Austria | 4 | |
| #4 | Canada | 3 |
| # | Industry | |
|---|---|---|
| #1 | Optics | |
| #2 | Computer technology | |
| #3 | Furniture and games | |
| #4 | Digital networks |
| # | Technology | |
|---|---|---|
| #1 | Cameras | |
| #2 | Data recognition and presentation | |
| #3 | Chairs and beds | |
| #4 | Electric digital data processing | |
| #5 | Digital information transmission |
| # | Name | Total Patents |
|---|---|---|
| #1 | Maul Michael | 33 |
| #2 | Michael Maul | 5 |
| #3 | Pfeiffer Max | 1 |
| #4 | Schloegl Josef | 1 |
| #5 | Wolf Waldemar | 1 |
| Publication | Filing date | Title |
|---|---|---|
| CA530692A | Record card controlled recording machine | |
| CA529261A | Record card perforating machines | |
| CA537374A | Record card controlled machine |