| # | Industry | |
|---|---|---|
| #1 | Electrical machinery and energy | |
| #2 | Optics | |
| #3 | Medical technology |
| # | Technology | |
|---|---|---|
| #1 | Electric incandescent lamps | |
| #2 | Spectacles | |
| #3 | Non-portable lighting devices | |
| #4 | Object sterilising |
| # | Name | Total Patents |
|---|---|---|
| #1 | Lollert Franz | 8 |
| #2 | Franz Lollert | 5 |
| Publication | Filing date | Title |
|---|---|---|
| ES288368A1 | Improvements introduced in lamps incandescent for headlights of vehicles (Machine-translation by Google Translate, not legally binding) | |
| CA754708A | Vehicle head lamp and incandescent lamp for the same |