| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Italy | 9 | |
| #2 | Canada | 1 | |
| #3 | France | 1 | |
| #4 | United States | 1 |
| # | Industry | |
|---|---|---|
| #1 | Consumer goods |
| # | Technology | |
|---|---|---|
| #1 | Goods for writing upon |
| # | Name | Total Patents |
|---|---|---|
| #1 | Anav Lello | 4 |
| #2 | Lello Anav | 2 |
| Publication | Filing date | Title |
|---|---|---|
| US4254556A | Portable drafting device for drawing parallel lines, comprising a working plane of flexible plastic material, adapted to be rolled | |
| IT7852102D0 | Portable draughting aid with sliding straight edge - consists of plastics sheet with parallel guide ridges near shorter edges | |
| IT7849187D0 | Portable draughting aid with sliding straight edge - consists of plastics sheet with parallel guide ridges near shorter edges |