Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6680141 | Lithium battery | Rifat Ata Mustafa Hikmet, Hans Feil, Bente Adriaan Bordes, Jan Brink | 2004-01-20 |
| 6673129 | Method of manufacturing a lithium battery | Hans Feil | 2004-01-06 |