| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Spain | 5 | |
| #2 | Canada | 3 | |
| #3 | United Kingdom | 3 | |
| #4 | Austria | 2 | |
| #5 | Switzerland | 2 | |
| #6 | Denmark | 1 |
| # | Industry | |
|---|---|---|
| #1 | Basic communication technologies | |
| #2 | Telecommunications |
| # | Technology | |
|---|---|---|
| #1 | Amplifiers | |
| #2 | Transmission | |
| #3 | Resonators | |
| #4 | Demodulation |
| # | Name | Total Patents |
|---|---|---|
| #1 | Brillouin Leon Nicolas | 9 |
| #2 | Beauvais Georges Armand | 5 |
| #3 | Leon Nicolas Brillouin | 2 |
| #4 | Georges Armand Beauvais | 1 |
| Publication | Filing date | Title |
|---|---|---|
| CA195097A | Telephone and telegraph device | |
| GB127014A | Improvements in or relating to Telephone Installations, particularly for Wireless Telegraphy. | |
| GB127013A | Improvements in or relating to Receiving Apparatus for Wireless Telegraphy. | |
| CA209604A | Telephone and wireless telegraphy installation | |
| CA285790A | Electric discharge device |