Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9040938 | Device comprising a source for emitting ultraviolet light | Paulus Cornelis Duineveld, Eva Mondt, Harko Jan Taekema, Marc Alexander Pastoors, Wilhelmus Hendrikus Maria Bruggink | 2015-05-26 |
| 8479641 | Tea making device having an improved liquid collection chamber | Paulus Cornelis Duineveld, Henk Borg, Cornelis Frederik Akerboom, Gustaaf Frans Brouwer, Hendrik Cornelis Koeling +2 more | 2013-07-09 |
| 8113106 | Tea making device having an improved liquid collection chamber | Paulus Cornelis Duineveld, Henk Borg, Cornelis Frederik Akerboom, Gustaaf Frans Brouwer, Hendrik Cornelis Koeling +2 more | 2012-02-14 |
| 6090174 | Separator device provided with a cyclone chamber with a centrifugal unit, and vacuum cleaner provided with such a separator device | Jan A. Douma | 2000-07-18 |
| 5081767 | Shaving apparatus | — | 1992-01-21 |
| 4811484 | Dry-shaving apparatus | Eduard W. Tietjens, Eppe Bakker, Albert Hoekstra | 1989-03-14 |
| 4807359 | Dry-shaving apparatus | — | 1989-02-28 |
| 4281453 | Shaving apparatus | Eppe Bakker, Ebbe Boiten, Eildert Kingma, Gerard J. Lenting | 1981-08-04 |