Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6682047 | Ceramic valve | Petrus Josephus Carolus Piscaer, Tjasse Willem Biwenga | 2004-01-27 |
| 6183800 | Method for preparing frothed milk or cafe creme | Jan Anne Muis, Willem Nanko Mels, E. H. Rusche, A. J. Oude Wahsink | 2001-02-06 |