Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6610368 | Leather and a method of dressing same | Gottfried Holzer, Wolfgang Vogl | 2003-08-26 |
| 4445809 | Apparatus for emptying containers filled with powder | Edgar Simon | 1984-05-01 |
| 4267047 | Dialyzing membrane with adsorbent layer | Werner Henne, Gustav Dunweg, Raimund Pohle, Friedrich Lawitzki | 1981-05-12 |