Issued Patents All Time
Showing 26–28 of 28 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4644557 | Process for the production of calcium carbide and a shaft furnace for carrying out the process | Joachim Ebeling, Herbert Jekat, Walter Lugscheider, Ernst Riegler, Ernst Zajicek +2 more | 1987-02-17 |
| 4533515 | Method employing steam to sterilize packaging material | Karl-Theo Witter, Ulrich Strole | 1985-08-06 |
| 4438963 | Door latch mechanism with generally linearly movable operating member | — | 1984-03-27 |