| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Spain | 5 | |
| #2 | Austria | 2 | |
| #3 | Switzerland | 2 | |
| #4 | Canada | 1 | |
| #5 | Denmark | 1 |
| # | Industry | |
|---|---|---|
| #1 | Electrical machinery and energy |
| # | Technology | |
|---|---|---|
| #1 | Electric incandescent lamps |
| # | Name | Total Patents |
|---|---|---|
| #1 | Deghenghi Milan | 4 |
| #2 | Milan Deghenghi | 2 |
| Publication | Filing date | Title |
|---|---|---|
| ES127409A1 | Perfection in tubular luminous bodies of different conformation, with color filters arranged inside and made of any material in the form of letters or signs for decoration and decoration. | |
| ES126881A1 | A flexible glass rod holder for luminous tubes with one or more filaments and a procedure for their production. | |
| ES115076A1 | Luminous plate with colored tubes or small canes arranged between the light source and the letters, figures or signs that constitute a transparent. | |
| CA364394A | Tubular lamp filament support |