| # | Country | Total Patents | |
|---|---|---|---|
| #1 | France | 9 | |
| #2 | Switzerland | 1 | |
| #3 | Germany | 1 | |
| #4 | United Kingdom | 1 |
| # | Industry | |
|---|---|---|
| #1 | Optics | |
| #2 | Electrical machinery and energy |
| # | Technology | |
|---|---|---|
| #1 | Cameras | |
| #2 | Electric incandescent lamps |
| # | Name | Total Patents |
|---|---|---|
| #1 | Dussaud Charles-Francois | 6 |
| #2 | Dussaud Charles Francois | 3 |
| #3 | Francois Dussaud Charles | 1 |
| Publication | Filing date | Title |
|---|---|---|
| GB163328A | Improvements in or relating to means for projecting images of objects on to screens or the like |