Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6314854 | Saw blades with convex ground saw tooth flanks | Otmar Riedel | 2001-11-13 |
| 5192628 | Alkaline electrolyte for galvanic elements | Heinz Frassdorf | 1993-03-09 |
| 5141827 | Ion conductor or electrolyte for a galvanic element | Klaus Stein | 1992-08-25 |
| 4547442 | Lithium battery electrode frame | Jurgen Besenhard, Erich Wudy | 1985-10-15 |
| 4188269 | Method of making electrodes for electrolytic purposes | — | 1980-02-12 |