Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4842810 | Nuclear power plant with a high temperature reactor located eccentrically in a cylindrical prestressed concrete pressure vessel | Josef Schoening, Winfried Wachholz | 1989-06-27 |
| 4830818 | Ceramic installations | Claus Elter, Edgar Hornischer, Hermann Schmitt, Josef Schoening | 1989-05-16 |