| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Germany | 12 | |
| #2 | United Kingdom | 1 |
| # | Industry | |
|---|---|---|
| #1 | Weapons | |
| #2 | Measurement | |
| #3 | Optics | |
| #4 | Computer technology | |
| #5 | Consumer goods |
| # | Technology | |
|---|---|---|
| #1 | Weapon sights | |
| #2 | Measuring distances | |
| #3 | Optical systems | |
| #4 | Analogue computers | |
| #5 | Goods for writing upon |
| # | Name | Total Patents |
|---|---|---|
| #1 | Hofe Dr Christian Von | 1 |
| #2 | Clementi Antonio | 1 |
| Publication | Filing date | Title |
|---|---|---|
| GB448771A | Improvements in or relating to aircraft bomb-dropping apparatus | |
| DE608343C | Optical hyperbola |