| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Switzerland | 8 | |
| #2 | Germany | 4 | |
| #3 | United Kingdom | 1 |
| # | Industry | |
|---|---|---|
| #1 | Measurement | |
| #2 | Machine tools |
| # | Technology | |
|---|---|---|
| #1 | Mechanically-driven clocks | |
| #2 | Machines for making clocks | |
| #3 | Metal wire processing |
| # | Name | Total Patents |
|---|---|---|
| #1 | Marcel Marmier | 4 |
| #2 | Louis William Berthoud | 3 |
| #3 | Berthoud Louis-William | 3 |
| #4 | Marcel Marnier | 1 |
| #5 | Berthoud Louis William | 1 |
| #6 | Louis-William Berthoud | 1 |
| Publication | Filing date | Title |
|---|---|---|
| GB1208531A | Hairspring |