| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Austria | 12 | |
| #2 | Germany | 3 | |
| #3 | United States | 1 |
| # | Industry | |
|---|---|---|
| #1 | Measurement |
| # | Technology | |
|---|---|---|
| #1 | Special measuring | |
| #2 | Measuring electric variables |
| # | Name | Total Patents |
|---|---|---|
| #1 | Witzany Karl | 4 |
| #2 | Dienstl Josef Ing | 2 |
| #3 | Gritsch Tibor Ing | 2 |
| #4 | Pawlat Josef Dipl Ing | 2 |
| #5 | Frenzel Franz | 1 |
| #6 | Gartler Herbert Ing | 1 |
| #7 | Zwicker Dipl-Ing Ludwig | 1 |
| #8 | Karl Witzany | 1 |
| #9 | Zwicker Ludwig Dipl Ing | 1 |
| #10 | Stoeckl Franz Ing | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US3153562A | Recording apparatus |