Issued Patents 1982
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4355705 | Group control for elevators | Joris Schroder, Jiri Kiml, Miroslav Kostka, Walter Zimmermann | 1982-10-26 |
| 4323701 | Process for the preparation of indenonecarboxylic acids | Hermann Rempfler, Hans Zweifel | 1982-04-06 |