Issued Patents 1994
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5351907 | Coiling device for cordage material | — | 1994-10-04 |
| 5319111 | Preparation of tetrahydrofuran and gamma-butyrolactone | Horst Zimmermann, Karl Brenner, Hans-Juergen Scheiper, Wolfgang Sauer | 1994-06-07 |