| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Austria | 8 | |
| #2 | Switzerland | 1 | |
| #3 | Germany | 1 | |
| #4 | United Kingdom | 1 |
| # | Industry | |
|---|---|---|
| #1 | Optics | |
| #2 | Measurement | |
| #3 | Mechanical elements |
| # | Technology | |
|---|---|---|
| #1 | Cameras | |
| #2 | Measuring electric variables | |
| #3 | Testing of structures | |
| #4 | Springs |
| # | Name | Total Patents |
|---|---|---|
| #1 | Messgeraete Firma Ernst U Wilh | 1 |
| #2 | Bertram Wilhelm | 1 |
| #3 | Amesbichler Georg | 1 |
| Publication | Filing date | Title |
|---|---|---|
| DE1277005B | Shutter for photographic cameras |