| # | Country | Total Patents | |
|---|---|---|---|
| #1 | France | 23 | |
| #2 | United Kingdom | 2 | |
| #3 | Belgium | 1 |
| # | Industry | |
|---|---|---|
| #1 | Consumer goods | |
| #2 | Electrical machinery and energy | |
| #3 | Mechanical elements | |
| #4 | Furniture and games |
| # | Technology | |
|---|---|---|
| #1 | Writing or drawing tools | |
| #2 | Electrically-conductive connections | |
| #3 | Springs | |
| #4 | Physical training equipment |
| # | Name | Total Patents |
|---|---|---|
| #1 | Boursier H | 14 |
| #2 | Petit R | 11 |
| #3 | Petit H Boursier Et R | 1 |
| Publication | Filing date | Title |
|---|---|---|
| GB1332623A | Writing instrument having a cap and a device for locking the cap onto the body of the writing instrument |