Issued Patents 1989
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4874615 | Process for preparing wine | Ulrich Gruenhoff | 1989-10-17 |
| 4869150 | Device for forward oriented case ejection in an externally driven automatic cannon | Lothar Post, Horst Menges | 1989-09-26 |
| 4841139 | Method for testing components of transparent material for surface irregularities and occlusions | Harald Schmalfuss, Hubert Kurpiella | 1989-06-20 |
| 4807513 | Straight breech for an automatic gun barrel weapon, in particular a machine cannon | Lothar Post | 1989-02-28 |