| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Switzerland | 6 | |
| #2 | United Kingdom | 4 | |
| #3 | Spain | 2 | |
| #4 | Canada | 1 |
| # | Industry | |
|---|---|---|
| #1 | Measurement |
| # | Technology | |
|---|---|---|
| #1 | Electromechanical clocks |
| # | Name | Total Patents |
|---|---|---|
| #1 | Vogt Caesar | 11 |
| Publication | Filing date | Title |
|---|---|---|
| CA140826A | Electric clock | |
| GB191127291A | Improvements in Electric Clocks. | |
| GB190119136A | Cover for Electric Cells. | |
| GB190006704A | Improvements in Induction Apparatus. | |
| GB189917337A | An Improved Battery Cell with Double Case applicable also as a Leyden Jar. |