Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7628759 | Blood pressure measurement device | Dirk Freund, Brigitte Harttmann, Ulrich Heck, Stefan Hollinger, Gerrit Rönneberg +3 more | 2009-12-08 |
| 6559625 | Circuit arrangement and electrical appliance with an inductive load and a buck converter | Dirk Freund, Martin Giersiepen, Brigitte Harttmann, Ulrich Heck, Stefan Hollinger +3 more | 2003-05-06 |
| 4893552 | Beverage-making machine | Hans J. Henning | 1990-01-16 |
| 4718566 | Insulated carafe | — | 1988-01-12 |
| 4667587 | Electric coffee maker with anti-drip valve on bottom of filter | — | 1987-05-26 |