| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Austria | 8 | |
| #2 | Germany | 2 | |
| #3 | Switzerland | 1 |
| # | Industry | |
|---|---|---|
| #1 | Measurement |
| # | Technology | |
|---|---|---|
| #1 | Measuring light |
| # | Name | Total Patents |
|---|---|---|
| #1 | Leiser Richard Dr | 11 |
| #2 | Kovacevic Julius Ing | 2 |
| #3 | Bauer Hugo Dr | 1 |
| Publication | Filing date | Title |
|---|---|---|
| DE889839C | Device for the optical mixing of colors and for measuring colors | |
| AT120184B | Device for indicating the presence of a foreign gas, in particular luminous gas, in the air. |