Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5802910 | Measuring system for liquid volumes and liquid levels of any type | Adolf Gunther, Werner Weindl | 1998-09-08 |
| 4449266 | Toothbrush with two segments of bristles | Karl-Heinz Northemann | 1984-05-22 |