| # | Country | Total Patents | |
|---|---|---|---|
| #1 | France | 11 | |
| #2 | United Kingdom | 3 | |
| #3 | Switzerland | 2 | |
| #4 | United States | 2 |
| # | Industry | |
|---|---|---|
| #1 | Measurement | |
| #2 | Telecommunications | |
| #3 | Control |
| # | Name | Total Patents |
|---|---|---|
| #1 | Leon Hatot Etablissements | 2 |
| #2 | Jean Lavet Marius | 1 |
| #3 | Gustave Dietsch Jacques Jean | 1 |
| #4 | Marius Lavet | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US2988868A | Electronic time-measuring arrangement | |
| US1847012A | Electromagnet | |
| GB286701A | Method and device for setting clocks right from a distance | |
| GB222464A | Method for synchronizing oscillating pendulums chiefly adapted for time distributionsystems | |
| GB222432A | Improvements in electro-magnetic clocks |