Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9785287 | Optical coupling in touch-sensing systems | Håkan Bergström, Ola Wassvik, Thomas Craven-Bartle, Olov Von Hofsten, Björn Magnus Jacobsson Le Normand | 2017-10-10 |
| 6334773 | Method and arrangement for making artificial teeth | Hans Ahlen, Gustav Wolrath | 2002-01-01 |
| 5438495 | Embedded light fitting for runways | Hans Ahlen | 1995-08-01 |