Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4883239 | Guided artillery projectile with trajectory regulator | Peter Sundermeyer, Johann Schreier, Albrecht Reindler, Jurgen Leininger | 1989-11-28 |
| 4856733 | Method and arrangement for determining passage through an apogee | — | 1989-08-15 |