| # | Country | Total Patents | |
|---|---|---|---|
| #1 | France | 9 | |
| #2 | Spain | 2 | |
| #3 | United Kingdom | 2 | |
| #4 | Switzerland | 1 |
| # | Industry | |
|---|---|---|
| #1 | Telecommunications | |
| #2 | Transport | |
| #3 | Electrical machinery and energy | |
| #4 | Control |
| # | Technology | |
|---|---|---|
| #1 | Telephonic communication | |
| #2 | Vehicle parts | |
| #3 | Alarm systems | |
| #4 | Electric switches |
| # | Name | Total Patents |
|---|---|---|
| #1 | Electro-Gard | 1 |
| #2 | Valette Philippe Jules | 1 |
| Publication | Filing date | Title |
|---|---|---|
| GB466348A | Improvements in burglar, fire and like alarm arrangements for use in telephone systems | |
| GB420772A | Apparatus for protection against theft | |
| ES132957A1 | Electro-warning device. | |
| ES130533A1 | Theft protection device. |