Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7672044 | Lens made of a crystalline material | Hartmut Enkisch, Toralf Gruner | 2010-03-02 |
| 7411656 | Optically polarizing retardation arrangement, and a microlithography projection exposure machine | Michael Totzeck, Karl-Heinz Schuster | 2008-08-12 |
| 7382536 | Objective with fluoride crystal lenses | Daniel Krähmer, Toralf Gruner, Wilhelm Ulrich, Michael Gerhard, Martin Brunotte +4 more | 2008-06-03 |
| 7292388 | Lens made of a crystalline material | Hartmut Enkisch, Toralf Gruner | 2007-11-06 |
| 7180667 | Objective with fluoride crystal lenses | Daniel Krähmer, Toralf Gruner, Wilhelm Ulrich, Michael Gerhard, Martin Brunotte +4 more | 2007-02-20 |
| 7145720 | Objective with fluoride crystal lenses | Daniel Krähmer, Toralf Gruner, Wilhelm Ulrich, Michael Gerhard, Martin Brunotte +4 more | 2006-12-05 |
| 7126765 | Objective with fluoride crystal lenses | Daniel Krähmer, Toralf Gruner, Wilhelm Ulrich, Michael Gerhard, Martin Brunotte +4 more | 2006-10-24 |
| 7053988 | Optically polarizing retardation arrangement, and microlithography projection exposure machine | Michael Totzeck, Karl-Heinz Schuster | 2006-05-30 |