Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4262416 | Shaving apparatus | Jan Reinink, Jochem J. de Vries | 1981-04-21 |
| D257744 | Shaving cutter | Jochem J. de Vries | 1980-12-30 |
| 4227301 | Shaving apparatus | Albert Hoekstra | 1980-10-14 |