Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4838999 | Method for the electrochemical analysis of electrolytic components in a sample liquid | Hans-Peter Haar, Hermann Edelmann, Horst Herrmann | 1989-06-13 |
| 4290113 | Minicomputer | Rolf Haker, Heinz-Georg Fuhrer, Rainer van Rijckevorsel, Werner Ruhl | 1981-09-15 |
| 4268367 | Electrolytic process for the sterilization of liquids | August Reis, Norbert L. Kirmaier, Helmut Determann, Rolf Haker, Dietrich Kruger | 1981-05-19 |
| 4187462 | Electronic system for determining blood sedimentation rate using a continually retuned resonant circuit | Rolf Haker, Klaus Schrader | 1980-02-05 |