| # | Country | Total Patents | |
|---|---|---|---|
| #1 | France | 11 | |
| #2 | Switzerland | 2 | |
| #3 | United Kingdom | 2 |
| # | Industry | |
|---|---|---|
| #1 | Measurement | |
| #2 | Consumer goods |
| # | Technology | |
|---|---|---|
| #1 | Mechanically-driven clocks | |
| #2 | Personal adornments |
| # | Name | Total Patents |
|---|---|---|
| #1 | Depollier Charles Leon | 8 |
| #2 | Depollier Charles-Leon | 3 |
| #3 | Leon Depollier Charles | 2 |
| #4 | Duncuff Edward Cruzell | 1 |
| Publication | Filing date | Title |
|---|---|---|
| GB140987A | Improvements in watches | |
| GB137480A | Improvements in watches |