| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Austria | 8 | |
| #2 | Denmark | 2 | |
| #3 | United States | 2 | |
| #4 | Switzerland | 1 | |
| #5 | United Kingdom | 1 |
| # | Industry | |
|---|---|---|
| #1 | Organic fine chemistry |
| # | Technology | |
|---|---|---|
| #1 | Heterocyclic compounds |
| # | Name | Total Patents |
|---|---|---|
| #1 | Herz Richard | 14 |
| #2 | Neurath Wilhelm | 3 |
| #3 | Skamperl Fritz | 3 |
| #4 | Kosak Karl | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US1243171A | Vat dyes and process of making same. | |
| US1243170A | Vat dyes and process of making same. | |
| GB190717384A | Device for Tensioning the Wire in Multiple Wire Drawing Machines. |