Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5384208 | Cell structure for electrolyzer units and fuel cells | Rolf Brand, Hans Hofmann | 1995-01-24 |
| 4524774 | Apparatus and method for the stimulation of a human muscle | — | 1985-06-25 |