Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9581888 | Projection apparatus | Eberhard Piehler, Gudran Schroeter, Gertrud Blei, Thomas Maack | 2017-02-28 |
| 8992025 | Rear projection apparatus and method for a rear projection apparatus | Eberhard Piehler, Gudrun Schroeter, Gertrud Blei, Thomas Maack | 2015-03-31 |
| 8985776 | Projection objective having four groups for projecting light onto a projection surface and a projector including the projection objective | Gudrun Schroeter, Gertrud Blei, Rainer Fischer, Eberhard Piehler | 2015-03-24 |
| 6963456 | Arrangement of optical elements in projection systems | Juergen Koehler, Rainer Schnell, Eberhard Piehler, Hans-Juergen Meissner, Bjoern Hauer | 2005-11-08 |
| 6844984 | Projection objective | Eberhard Piehler | 2005-01-18 |