| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Germany | 9 | |
| #2 | United States | 2 |
| # | Industry | |
|---|---|---|
| #1 | Electrical machinery and energy | |
| #2 | Medical technology | |
| #3 | Basic materials chemistry |
| # | Technology | |
|---|---|---|
| #1 | Electric discharge tubes | |
| #2 | Electrotherapy | |
| #3 | Materials for miscellaneous applications |
| # | Name | Total Patents |
|---|---|---|
| #1 | Doering Ulrich W | 11 |
| Publication | Filing date | Title |
|---|---|---|
| US3263111A | Fluorescent tube with mercury amalgam on tube wall | |
| US3024383A | Fluorescent lamp |