Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4885383 | Process for the preparation of carboxylic acid methyl esters | Jurgen Weber, Peter Lappe | 1989-12-05 |
| 4863376 | Walking beam furnace | Dieter Schwab, Augusto Funghini | 1989-09-05 |