Issued Patents 2004
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6733804 | Multi-chambered infusion bag, especially for tea | Wilhelm Lohrey | 2004-05-11 |
| 6725628 | Process for the continuous production of beverage filter bags | Wilhelm Lohrey, Stefan Lambertz, Rolf Maier | 2004-04-27 |
| 6675553 | Method and device for stacking and packing infusion bags | Wilhelm Lohrey, Stefan Lambertz | 2004-01-13 |