| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United Kingdom | 3 | |
| #2 | Canada | 2 | |
| #3 | United States | 2 | |
| #4 | Austria | 1 | |
| #5 | Switzerland | 1 | |
| #6 | Spain | 1 | |
| #7 | France | 1 |
| # | Industry | |
|---|---|---|
| #1 | Audio-visual technology | |
| #2 | Machine tools | |
| #3 | Mechanical elements |
| # | Technology | |
|---|---|---|
| #1 | Special information storage | |
| #2 | Gearing | |
| #3 | Tools for connecting or disengaging |
| # | Name | Total Patents |
|---|---|---|
| #1 | Beretta Alessandro | 2 |
| #2 | Lorusso Giuseppe | 1 |
| #3 | Giorgio Brualdi | 1 |
| #4 | Nello Meoni | 1 |
| #5 | Lesa Costruzioni Elettromeccan | 1 |
| Publication | Filing date | Title |
|---|---|---|
| CA963928A | Tape misfeeding protected recorder/reproducer | |
| GB1293469A | Tape recording apparatus | |
| CA952501A | Magazine tape recorder deactivating device | |
| US3138031A | Speed changing mechanism | |
| US2972484A | Pick-up arm | |
| ES202186A1 | System for the transmission of the movement to the rotating plate of the fonographers and similar appliances (Machine-translation by Google Translate, not legally binding) | |
| GB699596A | Turntable driving means for phonographs |