Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| RE36390 | Device for cooling of fluids and edible foams | Ulrich Fels, deceased, by Elisabeth Fels, legal representative, Erich Windhab, Ralf Hoffmann, Lutz Hahn | 1999-11-16 |
| 5345781 | Device for cooling of fluids and edible foams | Ulrich Fels, deceased, Erich Windhab, Ralf Hoffmann, Lutz Hahn | 1994-09-13 |
| 5264234 | Method for continuously controlling the texture and crystallization of fluid food materials | Erich Windhab, Ludwig Rolfes, Lutz Hahn | 1993-11-23 |