Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5624770 | Battery with side wall ribs | Christian B ohle | 1997-04-29 |
| 4727620 | Retractable carrying handle for a storage battery | — | 1988-03-01 |
| 4642600 | Device for indicating the fully charged state of a battery | Jurgen Schulz, Klaus Salamon, Heinrich Rabenstein | 1987-02-10 |
| 4522899 | Gas and liquid tight pole seal for electric storage batteries, particularly lead storage batteries | Joachim Illmann | 1985-06-11 |