Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5453339 | Method for producing a non-uniform holographic element on a glass pane | Thorsten Frost | 1995-09-26 |
| 5145756 | Method for making a holographic mirror | Wilbert Windeln, Norbert Bartonitscheck | 1992-09-08 |
| 5144459 | Windshield reflector for imaging signals into view of driver | Armin Felske, Bernd Stoffregen, Gerd Sauer, Michael Hassiepen, Detlev Rebenstorff | 1992-09-01 |