| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Germany | 4 | |
| #2 | United Kingdom | 4 | |
| #3 | France | 2 | |
| #4 | Switzerland | 1 |
| # | Industry | |
|---|---|---|
| #1 | Audio-visual technology | |
| #2 | Optics |
| # | Technology | |
|---|---|---|
| #1 | Cameras | |
| #2 | Special information storage | |
| #3 | Loudspeakers and microphones |
| # | Name | Total Patents |
|---|---|---|
| #1 | Zeppieri Emilio | 2 |
| #2 | Wilhelm Giacomo | 1 |
| #3 | Giacomo Wilhelm | 1 |
| #4 | Borzacchini Auguste | 1 |
| #5 | Emilio Zeppieri | 1 |
| #6 | Augusto Borzacchini | 1 |
| Publication | Filing date | Title |
|---|---|---|
| GB271490A | Combined gramophone and cinematographic apparatus | |
| GB191059A | Improvements in mechanical transmission for synchronizing talking and cinematograph machines | |
| GB191060A | Improvements in or relating to phonographic machines | |
| GB158735A | Apparatus for the synchronous optic and acoustic reproduction of cinematophonic actions |