Issued Patents 2003
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6511639 | Process for recycling negative-electrode materials from spent lithium batteries | Michael Schmidt, Reinhard P. Hemmer, Margret Wohlfahrt-Mehrens, Christian Vogler | 2003-01-28 |