| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Germany | 9 | |
| #2 | United Kingdom | 1 | |
| #3 | United States | 1 |
| # | Industry | |
|---|---|---|
| #1 | Audio-visual technology | |
| #2 | Electrical machinery and energy | |
| #3 | Organic fine chemistry |
| # | Technology | |
|---|---|---|
| #1 | Advertising | |
| #2 | Electric discharge tubes | |
| #3 | Heterocyclic compounds |
| # | Name | Total Patents |
|---|---|---|
| #1 | Sajweli Dobrusskin | 1 |
| Publication | Filing date | Title |
|---|---|---|
| GB383530A | Electric discharge lamp, especially adapted for advertising and signalling purposes |