Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5249735 | Channel plate assembly with parallel plates, process and fixture for manufacturing the same, and plate apparatus provided with the same | Ulrich Sander, Rudolf Wilhelm | 1993-10-05 |
| 5161611 | Channel plate assembly with parallel plates, process and fixture for manufacturing the same, and plate apparatus provided with the same | Ulrich Sander, Rudolf Wilhelm | 1992-11-10 |