| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Italy | 4 | |
| #2 | Czechoslovakia | 1 | |
| #3 | France | 1 | |
| #4 | Greece | 1 | |
| #5 | Japan | 1 | |
| #6 | Poland | 1 | |
| #7 | USSR (Union of Socialist Soviet Republics) | 1 | |
| #8 | United States | 1 | |
| #9 | Yugoslavia (Serbia and Montenegro) | 1 |
| # | Industry | |
|---|---|---|
| #1 | Machines | |
| #2 | Civil engineering |
| # | Technology | |
|---|---|---|
| #1 | Unspecified technologies | |
| #2 | Doors and windows |
| # | Name | Total Patents |
|---|---|---|
| #1 | Varlonga Giovanni | 8 |
| #2 | Verlanga Giovanni | 1 |
| #3 | Varlonga G | 1 |
| Publication | Filing date | Title |
|---|---|---|
| YU56380A | Thermo-insulated aluminum frame for a door or a windoe, with insulated closures to provide a thermic barrier between a frame part oriented inwards and a frame part oriented outwards | |
| GR65365B | Prefabricated and equipped auxiliary spaces or auxiliary nuits |