| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Germany | 11 | |
| #2 | United Kingdom | 3 | |
| #3 | United States | 1 |
| # | Industry | |
|---|---|---|
| #1 | Optics | |
| #2 | Consumer goods |
| # | Technology | |
|---|---|---|
| #1 | Cameras | |
| #2 | Photosensitive materials | |
| #3 | Goods for writing upon |
| # | Name | Total Patents |
|---|---|---|
| #1 | Steiner Kurt | 4 |
| #2 | Kurt Steiner | 1 |
| #3 | Heckelmann Dr Sebastian | 1 |
| Publication | Filing date | Title |
|---|---|---|
| DE745598C | Pocket camera with watch-shaped housing | |
| DE726806C | Laterally elastic film guide for films to be exposed in a bipack | |
| GB493705A | Improvements in photographic folding cameras | |
| GB469759A | Improvements in or relating to natural-colour photography and kinematography | |
| US2016058A | Reflex camera | |
| GB365925A | Improvements in photographic reflex cameras |