Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10014520 | Composition that enhances deep cycle performance of valve-regulated lead-acid batteries filled with gel electrolyte | Satoru Yaegashi, Olaf Sielemann | 2018-07-03 |
| 9029001 | Separator for gel electrolyte storage batteries | Friedrich Kramm, Georg Meckl, Peter Nemec-Losert | 2015-05-12 |
| 5664321 | Process for the production of a lead accumulator | Olaf Sielemann, Peter Nemec-Losert | 1997-09-09 |