Issued Patents 2002
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6466373 | Trimming mask with semitransparent phase-shifting regions | Rainer Pforr, Christoph Friedrich, Klaus Ergenzinger, Uwe Griesinger, Wilhelm Maurer +1 more | 2002-10-15 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6466373 | Trimming mask with semitransparent phase-shifting regions | Rainer Pforr, Christoph Friedrich, Klaus Ergenzinger, Uwe Griesinger, Wilhelm Maurer +1 more | 2002-10-15 |