Issued Patents 2003
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6614069 | Nonvolatile semiconductor memory cell and method for fabricating the memory cell | Wolfgang Rosner, Lothar Risch, Ties Ramcke | 2003-09-02 |
| 6503784 | Double gated transistor | Gerhard Enders, Dietrich Widmann, Lothar Risch | 2003-01-07 |