| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United Kingdom | 3 | |
| #2 | United States | 3 | |
| #3 | Denmark | 2 | |
| #4 | Austria | 1 | |
| #5 | Switzerland | 1 | |
| #6 | Spain | 1 |
| # | Industry | |
|---|---|---|
| #1 | Telecommunications |
| # | Technology | |
|---|---|---|
| #1 | Telephonic communication | |
| #2 | Selecting |
| # | Name | Total Patents |
|---|---|---|
| #1 | Thomson Arthur Thomas Milnor | 9 |
| #2 | Thomas Milnor Thomson Arthur | 1 |
| #3 | Davis Percy Warnford | 1 |
| #4 | Ellis Glendower Owen | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US935285A | Apparatus for facilitating communication between telephone-exchanges. | |
| GB190502742A | New or Improved Apparatus for Distributing Electric Currents and Producing Electric Pulsations. | |
| GB190421401A | Improved Method of Effecting Communication between Telephone Exchanges and Apparatus therefor. | |
| US712619A | Electrical relay. | |
| GB189921886A | Improvements in Connecting-plugs for Electrical Switch-boards. | |
| US673039A | Telephone system and apparatus therefor. |