| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Italy | 2 | |
| #2 | Austria | 1 | |
| #3 | Brazil | 1 | |
| #4 | Switzerland | 1 | |
| #5 | Germany | 1 | |
| #6 | Denmark | 1 | |
| #7 | Spain | 1 | |
| #8 | France | 1 | |
| #9 | United Kingdom | 1 | |
| #10 | Japan | 1 |
| # | Industry | |
|---|---|---|
| #1 | Audio-visual technology |
| # | Technology | |
|---|---|---|
| #1 | Loudspeakers and microphones |
| # | Name | Total Patents |
|---|---|---|
| #1 | Giannetti Vittorio | 3 |
| #2 | Giannetti V | 2 |
| #3 | Buitsutorio Jiannetsutei | 1 |
| #4 | Gianetti Vittorio | 1 |
| Publication | Filing date | Title |
|---|---|---|
| DE3027048A1 | ELECTRIC ACOUSTIC TRANSMITTER FOR HIGH AID DEVICES |