Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4863051 | Lid for a liquid container | Michael Jaschkowitz, Bernhard Kloth, Wilhelm Kohl, Siegfried Merks | 1989-09-05 |
| 4525197 | Fertilizer | Hans-Heinrich Nolle, Alfred Schneider, Wilhelm Kohl | 1985-06-25 |