Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6197449 | Electrode arrangement and an electrochemical battery produced therefrom and a method for the manufacture thereof | Hans Hoffmann | 2001-03-06 |
| 5999399 | Electric condenser, array of such condensers, and method of producing such condensers and condenser arrays | Hans Hoffmann | 1999-12-07 |