Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5620222 | Electro-hydraulic rectangular grapple for railcars | — | 1997-04-15 |
| 5620567 | Process for the removal of aldehydes and acetals from industrially prepared acetic acid | Andreas Seidel, Alfred Hauser | 1997-04-15 |