Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6574866 | Hair removing apparatus comprising plate-shaped carriers which care positioned and movable with respect to each other | Johan Pragt, Robert Alexander Santhagens Van Eibergen, Jan Spoelstra, Fokke Roelof Voorhorst, Jasper Zuidervaart +2 more | 2003-06-10 |
| 6327784 | Method of manufacturing a cutting member having an auxiliary layer | Hermanus S. J. Altena, Maarten Brussee, Johan Pragt | 2001-12-11 |
| 6214200 | Method and arrangement for the electrochemical machining of a workpiece | Hermanus S. J. Altena, Maarten Brussee, Anton M. Boorsma | 2001-04-10 |
| 5904831 | Method of electrochemically machining workpieces | Hermanus S. J. Altena, Maarten Brussee | 1999-05-18 |
| 5112342 | Depilator | Gerhard R. H. Foerster, Robert-Han Munnig Schmidt, Franciscus M. J. Van Roemburg | 1992-05-12 |