Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4744540 | Casting mold for manufacturing grid plates for lead batteries | Bernhard Kallup | 1988-05-17 |
| 4642600 | Device for indicating the fully charged state of a battery | Klaus Gummelt, Jurgen Schulz, Heinrich Rabenstein | 1987-02-10 |
| 4212934 | Pole seal for storage batteries | — | 1980-07-15 |