| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Switzerland | 6 | |
| #2 | Germany | 2 | |
| #3 | France | 2 | |
| #4 | United Kingdom | 1 |
| # | Industry | |
|---|---|---|
| #1 | Measurement |
| # | Technology | |
|---|---|---|
| #1 | Mechanically-driven clocks |
| # | Name | Total Patents |
|---|---|---|
| #1 | Raymond Ryser | 6 |
| #2 | Graber Pierre | 1 |
| #3 | Ryser Raymond | 1 |
| Publication | Filing date | Title |
|---|---|---|
| DE2223007A1 | Watch case with a ring piece which is attached in a removable manner to the inner surface of the side wall of the case | |
| DE1808809A1 | Housing ring for inserting the clockwork into the housing | |
| GB1186578A | Watch Case |