| # | Country | Total Patents | |
|---|---|---|---|
| #1 | France | 9 | |
| #2 | United Kingdom | 2 | |
| #3 | Canada | 1 |
| # | Industry | |
|---|---|---|
| #1 | Audio-visual technology | |
| #2 | Consumer goods |
| # | Technology | |
|---|---|---|
| #1 | Special information storage | |
| #2 | Sound-producing devices | |
| #3 | Loudspeakers and microphones |
| # | Name | Total Patents |
|---|---|---|
| #1 | Jones Frederick William | 1 |
| Publication | Filing date | Title |
|---|---|---|
| GB107266A | Improvements relating to the Sound-boxes of Gramophones, Phonographs and the like. | |
| GB106343A | Improvements relating to Controlling Mechanism for Gramophone Motors. | |
| CA244792A | Manufacture of gramophone disc records |