Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4344228 | Shaving apparatus | Freddy Haes, Cornelis M. Reynhout, Guillaume M. P. G. Hermes | 1982-08-17 |
| 4281453 | Shaving apparatus | Eppe Bakker, Eildert Kingma, Gerard J. Lenting, Willem Sjouke Wijma | 1981-08-04 |
| 4259781 | Shaving apparatus | Gerrit J. Groothuis, Jochem J. de Vries | 1981-04-07 |
| 4258470 | Shaving apparatus | Jochem J. de Vries | 1981-03-31 |
| 4240199 | Shaving apparatus | Eduard W. Tietjens, Jochem J. de Vries | 1980-12-23 |
| 4223437 | Shaving apparatus | Jochem J. de Vries | 1980-09-23 |
| 4222168 | Shaving apparatus | Eduard W. Tietjens, Jochem J. de Vries, Tjamme De Vries | 1980-09-16 |