| # | Country | Total Patents | |
|---|---|---|---|
| #1 | France | 8 | |
| #2 | Spain | 2 | |
| #3 | Belgium | 1 | |
| #4 | United States | 1 |
| # | Industry | |
|---|---|---|
| #1 | Control | |
| #2 | Audio-visual technology | |
| #3 | Consumer goods |
| # | Technology | |
|---|---|---|
| #1 | Coin-freed | |
| #2 | Special information storage | |
| #3 | Automatic musical instruments |
| # | Name | Total Patents |
|---|---|---|
| #1 | Hermann Seidel Robert | 1 |
| #2 | Wilhelm Rietzel Heinz Hugo | 1 |
| #3 | Rudi Fiedler Alexander | 1 |
| Publication | Filing date | Title |
|---|---|---|
| ES252406A1 | An automatic vessel applied by coins (Machine-translation by Google Translate, not legally binding) | |
| ES233642A2 | Apparatus for the automatic change of sound plates in a circular form (Machine-translation by Google Translate, not legally binding) | |
| US2960340A | Automatic record changer for phonographs |