| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Switzerland | 19 | |
| #2 | Germany | 1 | |
| #3 | United Kingdom | 1 |
| # | Industry | |
|---|---|---|
| #1 | Measurement |
| # | Technology | |
|---|---|---|
| #1 | Mechanically-driven clocks |
| # | Name | Total Patents |
|---|---|---|
| #1 | Volta Ditisheim Cie Fabriques | 13 |
| #2 | Henri Robert | 5 |
| #3 | Volta | 1 |
| #4 | Robert Ditisheim | 1 |
| #5 | Fabriques Vulcain Ditisheim Ci | 1 |
| Publication | Filing date | Title |
|---|---|---|
| DE932420C | Anchor steering wheel drive for the alarm hammer in alarm wristwatches | |
| GB329462A | Improvements in or relating to fluid-tight watches |