| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Switzerland | 20 | |
| #2 | Germany | 3 | |
| #3 | France | 2 | |
| #4 | United Kingdom | 1 |
| # | Industry | |
|---|---|---|
| #1 | Consumer goods | |
| #2 | Measurement |
| # | Technology | |
|---|---|---|
| #1 | Personal adornments | |
| #2 | Mechanically-driven clocks | |
| #3 | Buttons, pins and buckles | |
| #4 | Special buttons and bins |
| # | Name | Total Patents |
|---|---|---|
| #1 | Cornu Cie | 13 |
| #2 | Ami Cornu | 5 |
| #3 | Philippe Cornu | 2 |
| #4 | Cornu Ami | 1 |
| Publication | Filing date | Title |
|---|---|---|
| GB143923A | Improvements in clasps for bracelets |