Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4883467 | Reciprocating pump for an implantable medication dosage device | Manfred Franetzki, Georg Geisselbrecht, Gerhard Buchholtz, Werner Fickweller | 1989-11-28 |
| 4808089 | Reciprocating pump for a medication administering device | Gerhard Buchholtz, Werner Fickweiler | 1989-02-28 |