| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Germany | 3 | |
| #2 | Japan | 3 | |
| #3 | France | 2 | |
| #4 | Italy | 2 | |
| #5 | WIPO (World Intellectual Property Organization) | 2 | |
| #6 | EPO (European Patent Office) | 1 | |
| #7 | United Kingdom | 1 |
| # | Industry | |
|---|---|---|
| #1 | Textiles and paper |
| # | Technology | |
|---|---|---|
| #1 | Typewriters |
| # | Name | Total Patents |
|---|---|---|
| #1 | Hebert Donald G | 10 |
| #2 | Donarudo Jii Hibaato | 1 |
| #3 | Hebert D | 1 |
| Publication | Filing date | Title |
|---|---|---|
| WO8100829A1 | Wire matrix print head assembly | |
| WO7900738A1 | Matrix print head assembly | |
| GB2015931A | Matrix print head assembly | |
| DE2827739A1 | MATRIX PRINT HEAD ARRANGEMENT |