Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6403264 | Lead/sulphuric acid-accumulator, separator for lead/sulphuric acid accumulators and process to reduce the formation of colored deposits in a lead/sulphuric acid accumulators | Hellmut Bunsch, Klaus Heinrich Ihmels | 2002-06-11 |