Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4880656 | Process for the dearomatizing and rearomatizing tea | Erwin Schutz | 1989-11-14 |
| 4828867 | Method of extracting hop pellets with liquified carbon dioxide | Wilfried Hallberg, Herbert Jekat, Erwin Schutz, Kurt Stork | 1989-05-09 |