Issued Patents 2005
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6953117 | Sales packaging for electric storage batteries | Torsten Schmerer, Asela Jayampathy, Helmut Hewelt, Heinrich Stelzig, Kuno Gross | 2005-10-11 |
| 6889840 | Sale and storage packaging for zinc-air cells | Anja Krüger, Helmut Hewelt, Manfred Hägele, Manfred Bradler, Heinrich Stelzig | 2005-05-10 |