| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Germany | 10 | |
| #2 | Austria | 1 | |
| #3 | France | 1 | |
| #4 | United Kingdom | 1 |
| # | Industry | |
|---|---|---|
| #1 | Optics | |
| #2 | Audio-visual technology | |
| #3 | Measurement | |
| #4 | Control |
| # | Technology | |
|---|---|---|
| #1 | Cameras | |
| #2 | Special information storage | |
| #3 | Television | |
| #4 | Teaching materials | |
| #5 | Time-interval measuring |
| # | Name | Total Patents |
|---|---|---|
| #1 | Blum Carl Robert | 9 |
| Publication | Filing date | Title |
|---|---|---|
| GB355578A | Improvements in and relating to synchronised cartoon talking picture films |