Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5178179 | Pressure equalizing vessel for a hemodialysis concentrate | Hans-Dietrich Polaschegg, Wendelin Backhaus, Joachim Manke, Walter Pieper | 1993-01-12 |
| 5074477 | Method of disposing of cooling units | Hubert Welter, Alfred Walter, Cornelius Welter, Herman-Josef Walter | 1991-12-24 |
| 5031414 | Apparatus for evacuating flowable media from discarded refrigerators and the like | Alfred Walter | 1991-07-16 |
| 4606920 | Pharmaceutical composition suitable for treatment of inflammatory changes of the bronchial mucosa | — | 1986-08-19 |