| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Germany | 7 | |
| #2 | France | 7 | |
| #3 | United Kingdom | 2 | |
| #4 | United States | 1 |
| # | Industry | |
|---|---|---|
| #1 | Optics | |
| #2 | Audio-visual technology | |
| #3 | Basic communication technologies | |
| #4 | Control | |
| #5 | Medical technology |
| # | Technology | |
|---|---|---|
| #1 | Cameras | |
| #2 | Special information storage | |
| #3 | Loudspeakers and microphones | |
| #4 | Alarm systems | |
| #5 | Physical therapy devices | |
| #6 | Amplifiers |
| # | Name | Total Patents |
|---|---|---|
| #1 | Gwozdz Bronislaw | 7 |
| #2 | Bronislaw Gwozdz | 2 |
| Publication | Filing date | Title |
|---|---|---|
| GB199761A | Improvements in or relating to kinematographs | |
| US1500450A | Take-up sprocket for motion-picture machines | |
| GB191319678A | Improvements in or relating to Sound-boxes for Talking Machines. |