| # | Country | Total Patents | |
|---|---|---|---|
| #1 | France | 12 | |
| #2 | Switzerland | 5 | |
| #3 | Canada | 1 | |
| #4 | Germany | 1 | |
| #5 | United Kingdom | 1 |
| # | Industry | |
|---|---|---|
| #1 | Telecommunications | |
| #2 | Basic communication technologies | |
| #3 | Measurement |
| # | Technology | |
|---|---|---|
| #1 | Telephonic communication | |
| #2 | Transmission | |
| #3 | Measuring temperature | |
| #4 | Pulse technique |
| # | Name | Total Patents |
|---|---|---|
| #1 | Jeanlin Pierre | 9 |
| #2 | Le Teleampliphone | 2 |
| #3 | Pierre Jeanlin | 1 |
| #4 | Pierre Jeanlin M | 1 |
| #5 | Le Teleampliphone Societe Dite | 1 |
| Publication | Filing date | Title |
|---|---|---|
| GB690720A | Improvements in two-way loudspeaker telephone installations | |
| CA542281A | Two-way loudspeaker telephone installations |