Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5190652 | Filter holder for coffee cartridges | Jan Cornelis Van Hattem | 1993-03-02 |
| 5083503 | Method and an apparatus for making a beverage such as coffee, soup,tea, cocoa or the like | Jan Cornelis Van Hattem, Jan Adolf Ernst Sperna Weiland | 1992-01-28 |
| 4995310 | Disposable filter cartridge, whether or not combined with a water reservoir | Joost van der Lijn | 1991-02-26 |
| 4860645 | Disposable filter cartridge, whether or not combined with a water reservoir | Joost van der Lijn | 1989-08-29 |