| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Italy | 7 | |
| #2 | Belgium | 1 | |
| #3 | Canada | 1 | |
| #4 | Germany | 1 | |
| #5 | France | 1 | |
| #6 | United Kingdom | 1 | |
| #7 | Japan | 1 | |
| #8 | Netherlands | 1 | |
| #9 | United States | 1 |
| # | Industry | |
|---|---|---|
| #1 | Audio-visual technology |
| # | Technology | |
|---|---|---|
| #1 | Special information storage |
| # | Name | Total Patents |
|---|---|---|
| #1 | Sostero C | 6 |
| #2 | Sostero Carlo | 2 |
| Publication | Filing date | Title |
|---|---|---|
| GB1427782A | Device for positioning of phonograph records on the turntable of an automatic record player apparatus |