| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Germany | 6 | |
| #2 | United Kingdom | 3 | |
| #3 | France | 2 |
| # | Industry | |
|---|---|---|
| #1 | Measurement | |
| #2 | Optics |
| # | Technology | |
|---|---|---|
| #1 | Measuring distances | |
| #2 | Cameras |
| # | Name | Total Patents |
|---|---|---|
| #1 | Poivilliers Georges-Jean | 2 |
| #2 | Dumont Robert | 1 |
| #3 | Poivilliers Georges Jean | 1 |
| Publication | Filing date | Title |
|---|---|---|
| GB748863A | A method of terrestrial photogrammetry | |
| GB748392A | Improvements in or relating to methods of and apparatus for combining the representations in photographs having a common zone and combined photographs obtained thereby | |
| GB196916A | Improvements in apparatus for automatically drawing maps and plans from two terrestrial or aerial photographs |