Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9702509 | Method for producing an escape route marking for airplanes, and said escape route marking | Hans-Christian Lierow | 2017-07-11 |
| 9269284 | Escape route marking with a luminous strip made of photoluminescent material | Hans-Christian Lierow | 2016-02-23 |
| 9201009 | Test method for an escape route marking | — | 2015-12-01 |