| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 9 | |
| #2 | Germany | 1 | |
| #3 | United Kingdom | 1 |
| # | Industry | |
|---|---|---|
| #1 | Consumer goods | |
| #2 | Electrical machinery and energy | |
| #3 | Machines |
| # | Technology | |
|---|---|---|
| #1 | Writing or drawing tools | |
| #2 | Unspecified technologies | |
| #3 | Special electric heating or lighting |
| # | Name | Total Patents |
|---|---|---|
| #1 | Ambrose Fleming | 9 |
| Publication | Filing date | Title |
|---|---|---|
| US1886333A | Magazine pencil | |
| US1674357A | Magazine pencil | |
| US1673069A | Cartridge-loading magazine pencil | |
| GB218123A | Magazine pencil | |
| US1527583A | Fountain-pen-retaining clip | |
| US1575195A | Pencil holder | |
| US1572133A | Magazine-fed pencil | |
| US1552287A | Magazine pencil | |
| US1449278A | Electric iron | |
| US1396710A | Attachment to screw-feed pencils |