Issued Patents 1989
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4844871 | Method of determining the partial pressure of gases in blood and an apparatus for performing the method | — | 1989-07-04 |
| 4834888 | Hemodialysis apparatus comprising a sterile filter | — | 1989-05-30 |
| 4835477 | Process for the determination of the hematocrit level of whole blood and apparatus for carrying out the process | Detlef Westphal, Klaus Metzner | 1989-05-30 |
| 4796644 | Apparatus for infusion and removal of samples of blood and other body fluids | — | 1989-01-10 |
| 4797191 | Measuring device for determination of the activity or of the concentration of ions in solutions | Klaus Metzner, Detlef Westphal, Wolfgang Allendorfer, Reinhard Hahnel | 1989-01-10 |