| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Spain | 6 | |
| #2 | Austria | 3 | |
| #3 | United Kingdom | 1 | |
| #4 | United States | 1 |
| # | Industry | |
|---|---|---|
| #1 | Consumer goods |
| # | Technology | |
|---|---|---|
| #1 | Stringed musical instruments |
| # | Name | Total Patents |
|---|---|---|
| #1 | Barbieri Angelo | 4 |
| Publication | Filing date | Title |
|---|---|---|
| ES103226A1 | A set of instruments consisting of a piano and wind instruments or percussion. | |
| GB218333A | Improvements in and relating to combined pianoforte and organ instruments |