| # | Country | Total Patents | |
|---|---|---|---|
| #1 | France | 10 | |
| #2 | United Kingdom | 1 |
| # | Industry | |
|---|---|---|
| #1 | Consumer goods | |
| #2 | Optics | |
| #3 | Machine tools | |
| #4 | Civil engineering |
| # | Technology | |
|---|---|---|
| #1 | Stringed musical instruments | |
| #2 | Hand carried bags | |
| #3 | Sawing | |
| #4 | Electrophonic musical instruments | |
| #5 | Cameras | |
| #6 | Wind musical instruments | |
| #7 | Representation of music | |
| #8 | Scaffolding |
| # | Name | Total Patents |
|---|---|---|
| #1 | Schneider Robert | 1 |
| #2 | Ballet Leon-Raymond | 1 |
| Publication | Filing date | Title |
|---|---|---|
| GB816350A | Improvements in or relating to piano-actions |