Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8259392 | Method of producing a diffractive optical element and diffractive optical element produced by such a method | Gundula Weiss | 2012-09-04 |
| 6977776 | Head-mounted optical direct visualization system | Uwe Frey, Thomas Alt, Werner Schreiber | 2005-12-20 |
| 6515739 | Apparatus and process for spatially resolved refractive power determination | Bruno Neuhaus | 2003-02-04 |
| 4972428 | CO.sub.2 waveguide laser | Alexander Hinz, Franz Krug | 1990-11-20 |